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Skin wrinkles and blemishes
Aging causes the skin to undergo changes:
- Cells divide more slowly and the inner layer of skin starts to thin. The thinning skin is prone to injuries and damage.
- The deeper layer of the skin, which provides the framework for the surface skin layers, loosens and unravels. Older skin sags and forms furrows.
- Oil-secreting glands shrink, leaving the skin without a protective layer of oil. The skin's ability to stay moisturized then decreases, becoming dry and scaly.
- Exposure to sunlight is the most important cause of prematurely aging skin (a process called photoaging) and skin cancers.
- Exposure to ultraviolet radiation from sunlight accounts for most of the symptoms of premature skin aging.
- The most important preventive measure is limiting exposure to sunlight.
- A healthy lifestyle, including a healthy diet and regular exercise, is the most important way to reduce the formation of wrinkles and blemishes.
- Topical antioxidant products may help reduce wrinkles and blemishes and protect against sun damage.
- Chemical peels, dermabrasion, laser therapy, injectable skin fillers, and botulinum toxin injections can be used alone or in combination, depending on the extent of photodamage and skin wrinkles.
- Cosmetic surgery (facelift, forehead lift, neck lift) can help correct tissue sagging and wrinkles.
As you age, your skin undergoes gradual changes:
- Cells divide more slowly and the inner layer of skin (the dermis) starts to thin. Fat cells beneath the dermis begin to shrink. In addition, the ability of the skin to repair itself decreases with age, so wounds heal more slowly. The thinning skin becomes prone to injuries and damage.
- The deeper layer of the skin, which provides the support structure for the surface skin layers, loosens and unravels. Skin then loses its elasticity (ability to stretch and return to position). As a result, skin sags and forms furrows.
- Glands that secrete oil shrink (atrophy). This leaves the skin without a protective layer of oil. The skin's ability to stay moisturized decreases, becoming dry and scaly.
- Frown lines (between the eyebrows) and crow's feet (lines that spread from the corners of the eyes) develop because of repetitive muscle contractions during facial expressions.
- Gravity causes skin and tissues to sag, leading to formation of jowls and drooping eyelids.
Sunlight, Ultraviolet Radiation, and Photoaging
Sunlight exposure is the most important cause of early aging of skin (a process called photoaging). Sunlight exposure is also the main cause of skin cancers. The two types of sun rays that can injure the skin are ultraviolet A (UVA) and ultraviolet B (UVB). Exposure to ultraviolet radiation accounts for most of the symptoms of early skin aging. Much of the damage is underway by age 20:
- UVA affects the deep layers of skin. Most of the ultraviolet rays that reach the earth are UVA. UVA is not as intense as UVB. UVA rays are equally intense throughout the entire day and year. UVA can pass through clouds and glass.
- UVB is the main cause of sunburns. It mostly affects the outer skin layers. UVB is most intense in the United States between 10 a.m. and 4 p.m. from April to October. Skin damage from UVB can also occur during winter, especially at high altitudes or in places with snow and ice, which reflect rays onto the skin. Window glass filters out most UVB rays.
- Even small amounts of UV radiation trigger the processes leading to skin wrinkles.
- Long-term repeated exposure to sunlight adds up. This is responsible for the problems of aging skin, including basal cell and squamous cell cancers.
- Intense exposure to sunlight in early life is an important cause of melanoma, an aggressive type of skin cancer.
Processes Leading to Wrinkles. Wrinkles form in the following way:
- Sunlight damages collagen fibers. Collagen is the main protein that gives structure to the skin. Sunlight also damages elastin. This is another protein in the skin that helps it and the tissue below stay springy and strong.
- In response to sun-induced elastin damage, the body produces large amounts of enzymes called metalloproteinases.
- Some of these enzymes break down collagen. The result is an uneven formation of disorganized collagen fibers called solar scars. Repetition of this abnormal skin rebuilding causes wrinkles.
- An important event in this process is the over-production of oxidants, also called free radicals. Excessive amounts of oxidants damage the body's cells. They can even alter the genetic material of cells. Oxidation may lead to wrinkling by activating the specific metalloproteinases that degrade connective tissue.
Other Factors Responsible for Wrinkles
In addition to sunlight, other factors can speed the formation of wrinkles.
Cigarette Smoke. Smoking produces free radicals in the body. These cause wrinkles and age-related skin problems to develop sooner. Free radicals also increase the risk of non-melanoma skin cancers. Studies suggest that smoking and resulting oxidation produce higher levels of metalloproteinases.
Air Pollution. Ozone is a common air pollutant. It may reduce the body's vitamin E level. Vitamin E is an important antioxidant that protects cells against the effects of free radicals.
Three common types of blemishes are liver spots, purpura, and seborrheic keratoses.
Liver spots are also known as lentigos or sun-induced pigmented lesions. They are flat brown spots on the skin. Despite the name, these blemishes have nothing to do with the liver. Instead, they are common signs of aging. Liver spots are most noticeable on the hands and face. They often get larger and darker over time. Their number, sizes, and brownness are determined by skin type, sun exposure, and age. Liver spots are harmless, but they should be distinguished from lentigo maligna, which is an early sign of melanoma.
Treatment. Liver spots do not require treatment, although some people are bothered by their appearance. Treatments may include the following:
- Trichloroacetic acid (a chemical peel).
- Tretinoin (Retin A) alone, or in combination with mequinol (Solage). Tretinoin is a form of vitamin A.
- Gentle freezing with liquid nitrogen (cryotherapy).
- Laser treatment is effective in eliminating many liver spots in one treatment. Laser treatment may be more effective than cryotherapy and may have fewer side effects.
- Bleaching creams are widely available, but they are not as effective as a chemical peel. High concentrations of the bleaching ingredient can cause permanent loss of skin color.
Purpura occurs when tiny blood vessles called capillaries break and leak blood into the skin. In older people, the condition is called senile or actinic purpura and is usually caused by blood vessels that break easily. The capillaries appear as flat purplish patches. These patches are called petechiae when they are smaller than 3 mm (about a tenth of an inch). When they are larger than 3 mm, they are called ecchymoses. Purpura looks like a rash that may appear red at first and gradually turns brown or purple.
Treatment. There is no specific treatment for purpura. Persons with purpura should avoid trauma, including vigorous rubbing of the skin, which may damage the capillaries. Lotions that soften the skin may be helpful. Some doctors also recommend vitamin C, but its effectiveness is unproven.
Seborrheic keratoses are common skin disorders in older adults. Their cause is unknown. These skin growths usually appear on the head, neck, or trunk. They range in size from 0.2 - 3 cm (a little over an inch). They have clear borders and look like they are pasted on the skin. Their appearance can vary widely. They can be:
- Smooth with tiny, round, pearl-like formations embedded in them.
- Rough and warty.
- Brown or black.
Seborrheic keratoses are non-cancerous (benign) though they can look like melanoma because of their sometimes irregular border. A dermatologist (skin doctor) can tell the difference. Because melanomas can hide among seborrheic keratoses, they may go unnoticed without close inspection. Seborrheic keratoses have an even appearance, whereas melanomas often have a smooth surface that varies in height, color density, and shading. In some cases, keratoses cause itching or irritation.
Treatment. Seborrheic keratoses can be removed with surgery, laser, freezing, or scraping. Vitamin D3 ointment is also being tested as a treatment.
Exposure to Sun in Childhood. Medical researchers estimate that most skin damage begins in childhood and adolescence as a result of intermittent, intense sun exposure that causes severe sunburns.
Aging. Most people over age 70 have at least one skin disorder, and many have three or four skin disorders. Skin changes are normal as a person ages. But a long life is not the only factor that determines whether a person develops skin problems. Family history, genetics, and lifestyle choices all have an impact on the onset of aging-skin symptoms.
Activities Leading to Overexposure to Sunlight and Ultraviolet Radiation
Exposure to UV radiation from sunlight is the most serious risk factor for skin conditions related to aging. Persons most at risk include:
- Outdoor workers, such as farmers, fishermen, construction workers, and lifeguards
- Outdoor enthusiasts
- People who regularly use tanning beds
Doctors classify skin types, also called skin phototypes (SPTs), based on the sensitivity to sunlight. SPT ranges from SPT I (lightest skin plus) to SPT IV (darkest skin). Skin types I and II are at highest risk of photoaging skin diseases, including cancer. Early aging of skin from sunlight exposure can affect people of all skin shades.
Tanning and Burning History
Always burns, never tans, sensitive to sun exposure
Burns easily, tans minimally
Burns moderately, tans gradually to light brown
Burns minimally, always tans well to moderately brown
Rarely burns, tans profusely to dark
Never burns, deeply pigmented, least sensitive
The common belief is that women are at greater risk of wrinkles than men. Evidence suggests, however, that given the same risk factors, men and women in the same age groups have the same risks of skin photoaging. Some studies report that men are more likely than women to develop non-melanoma skin cancers.
The skin of smokers in areas of their bodies not exposed to sunlight also seems to age more rapidly compared to nonsmokers in the same age group. Heavy smokers in their 40s often have facial wrinkles more like those of nonsmokers in their 60s.
Smokers tend to have thinner skin, more and deeper wrinkles than nonsmokers. Cigarette smokers are also more prone to skin cancers, including squamous cell carcinoma and giant basal cell carcinoma. Research has found that women who smoke have much lower levels of vitamin E secretions in their skin. Vitamin E is an antioxidant that may help protect the skin from sun damage.
The best long-term prevention for wrinkles and blemishes is a healthy lifestyle and protecting the skin against sun damage.
Eat Healthy Foods. A diet with plenty of fresh fruits and vegetables and whole grains along with healthy oils (such as olive oil) may protect the skin from damage by free radicals. This is because these foods have high levels of antioxidants.
Exercise. Daily exercise keeps blood flowing, which brings oxygen to the skin. Oxygen is important for healthy skin.
Avoid Tobacco Smoke. Smoking increases wrinkles. Quitting smoking prevents many health problems not just unhealthy skin. Exposure to secondhand smoke is also dangerous to overall health and is damaging to skin.
Daily Preventive Skin Care
Daily measures for skin protection include:
- Wash your face once in the morning and once at night. Also wash after sweating. Perspiration can irritate the skin. Avoid washing too often because it can strip the skin of oil and moisture. Use lukewarm water. Chlorinated water, particularly at high temperatures, can cause wrinkles to form.
- Wash your face with a mild soap that contains moisturizers. Try not to use deodorant soaps. These have substances that can irritate the skin.
- Pat the skin dry and apply a moisturizer.
- Always apply sunscreen, even when going outdoors for short periods. Applying a cream containing a UVA and UVB sunscreen every day helps prevent skin damage caused by the sun.
- Do not drink alcohol within 3 hours of bedtime. Alcohol increases the risk of leaks in tiny blood vessels. This can lead to sagging and puffiness. Leaking increases when you are lying down.
Protecting Against Sunlight and UV Rays
An important way to prevent skin damage is to avoid too much exposure to sun and ultraviolet light. Here are some guidelines:
- Use sunscreen that protects against both UVA and UVB rays. Read packaging label to learn when and how to apply sunscreen.
- Wear clothing to protect against the sun. This is in addition to applying sunscreen. Wear a long-sleeve shirt, long pants, and a hat with a wide brim. You can also buy special clothing that absorbs UV rays.
- Avoid sun exposure, particularly from 10 a.m. to 4 p.m., when the sun's UV rays are the strongest.
- Avoid surfaces that reflect, such as water, sand, concrete, and areas that are painted white. Such surfaces can bounce back UV rays. Clouds and haze do not protect against UV rays, and can even make UVB rays stronger.
- Ultraviolet intensity depends on the angle of the sun, not its heat or brightness. The dangers are greater the closer to the start of summer. For example, in the northern hemisphere, UV intensity in April (two months before summer begins) is equal to that in August (two months after summer begins).
- The higher the altitude, the quicker you will sunburn.
- Do not use sun lamps and tanning beds (salons). Spending 15 - 30 minutes at a tanning salon is as dangerous as a day spent in the sun.
Products and Methods for Improving Skin Appearance
Many products and methods are available to improve the appearance of skin. Some are for home use while others must be administered by a doctor.
Moisturizers help prevent dryness, bruising, and tearing, but used alone they have no effect on wrinkles. Moisturizers are applied when the skin is still damp after washing. These products retain skin moisture in various ways:
- Occlusives, such as petroleum jelly, prevent water from evaporating from the skin.
- Humectants, including glycerin, act by pulling water up to the surface of the skin from deep tissues. People with oily skin should use humectant moisturizers.
- Other compounds, such as monolaurin, contain mixtures of fatty molecules (lipids). These help restore the skin's natural barrier against moisture loss and damage.
Most moisturizers contain combinations of these compounds. They usually have other ingredients, such as alpha hydroxy acid, sunscreen, collagen, and keratin. Collagen and keratin leave a protein film and temporarily stretch the skin, which may reduce wrinkles.
The skin under the eyes is very thin. It does not produce much of the protective oils that keep skin soft and supple. Under-eye products are advertised as being able to reduce puffiness and dark circles. They work in one of two ways:
- Temporarily constricting blood vessels to prevent the buildup of fluids
- Firming the skin with an invisible film
Follow the instructions on the package about how to use the product. Under-eye products are applied with light dabbing to stimulate absorption of the cream into the skin. Do not rub the cream onto the skin. Rubbing causes wrinkles to form, which over time can become permanent.
Cosmetics can be effective in masking the signs of aging skin, including wrinkles and age spots. Cosmetic can also slow water loss from the skin. Many cosmetics contain sunscreen.
Moisturizer. Apply moisturizers before foundation. If reddish discoloration is extensive or the skin is sallow, tinted moisturizers may be helpful and can be worn alone or under foundation.
Foundation. Caking on make-up causes cracks at the wrinkle lines and increases the appearance of aging. Cover large areas of the face with a moderate-coverage foundation that has a matte or semi-matte finish. Facial powder reflects light and thus minimizes wrinkles. Persons with dry skin should not use facial powder, though.
Correcting Color. When blemishes are especially visible, applying color correctors under foundation can be effective:
- Green neutralizers mask red lesions.
- Yellow will camouflage dark circles and bruises.
- Mauve (a purplish-pink color) helps neutralize sallow skin or yellowish blemishes.
- A white, pearled base helps minimize wrinkles.
Blush. Blushes and color washes can help conceal the spidery network of dilated capillaries on the nose and cheeks. Powder blushes are preferred because they blend easily on top of foundation.
Eyes. Powder eye shadows applied on top of a moisturizer are better than cream-based shadows. Light-colored shadow, applied along the upper eyelid crease and above the iris (the colored part of the eye) is best for offsetting the appearance of deep-set eyes. Slightly deeper shade of the same color can be applied to the lower part of the eyelid and drawn out to the corner.
Lips. Lip-setting cream or facial foundation should be applied before lipstick to help prevent it from bleeding into surrounding wrinkles. A stiff bristle brush works better than a lip pencil. The brush helps keep the lipstick on and prevent it from bleeding. (Some women use the pencil itself for the full lip, which gives color but appears natural.) Make-up artists recommend cream lipsticks instead of matte.
Antioxidant Creams, Lotions, and Ointments
Antioxidants are substances that counter the effects of free radicals. Exposure to sunlight reduces antioxidants in the skin. But these antioxidants can be replaced.
Antioxidant ointments, creams, and lotions may help reduce the risk of wrinkles and protect against sun damage. Unlike sunscreens, they build up in the skin and are not washed away, so the protection may last longer. Selenium, coenzyme Q10 (CoQ10), and alpha-lipoic acid are antioxidants that can be applied to the skin. Evidence of their benefit is limited and more studies in humans are needed. More commonly used antioxidants are described below. Your dermatologist (skin doctor) can tell you which product is right for you.
Vitamin A. Vitamin A is important for skin health. UV radiation leads to vitamin A deficiency in the skin. Topical (applied to the skin) vitamin A products have been researched and appoved for treating skin problems due to aging. Products include natural forms of vitamin A (retinol, retinaldehyde) and chemicals related to vitamin A callled retinoids (tretinoin, tazarotene). These products help repair skin damage due to sunburn and natural aging, such as fine wrinkles, liver spots, and rough skin. It may take months before the skin shows improvement. Side effects include redness, scaling, burning, and itching, which can be treated with corticosteroid cream. Sunscreen needs to be applied during the day because vitamin A products can cause the skin to be sensitive to sunlight. Warning: Women who are pregnant or think they are pregnant should not use any product related to vitamin A. Oral tretinoin is known to cause birth defects. Topical tretinoin may also cause birth defects.
Vitamin C. Vitamin C, or ascorbic acid, is a strong antioxidant that may also help rebuild collagen. Though there are many vitamin C products, none has been approved as a treatment for age-related skin conditions. Most research on the effects of antioxidants on the skin has used this vitamin. In laboratory studies, vitamin C seems to reduce or even protect against damage to skin cells caused by UV radiation. Vitamin C also seems to help skin cells survive after exposure to UV rays.
Antioxidants Under Investigation for Skin Care. Other antioxidants are being researched for their value in skin protection. Like vitamin C products, none of these antioxidants has been approved as a treatment for age-related skin conditions. Most of these products contain very low concentrations of antioxidants. In addition, the antioxidants are not well absorbed by the skin and have only a short-term effect. New ways of getting the ingredients into the skin may offset some of these problems.
- Vitamin E, particularly alpha tocopherol cream (a form of vitamin E), may decrease skin roughness, length of facial lines, and wrinkle depth.
- Niacinamide, a B complex vitamin, may have a positive effect on wrinkles and may be beneficial for wrinkles around the eyes.
- Pomegranate and soy extracts may help rejuvenate aging skin.
- Aloe, ginger, grape seed extract, and coral extracts contain antioxidants and are promoted as being healthy for the skin. However, evidence of their effects on wrinkles is weak.
Home Exfoliation: Abrasive Scrubs and Alpha Hydroxy Acid
Exfoliation (resurfacing) is one of the basic methods for improving skin and eliminating small wrinkles. It involves removing the top layer of skin to allow growth of new skin. Home exfoliation methods include simple scrubs and special creams. Strong exfoliation methods may not be suitable for people with dark skin because scarring or discoloration may result. If you are not sure of a product, talk to your dermatologist.
Abrasive Scrubs. These involve using an abrasive material to remove old top layer skin so that new skin can grow. Types of abrasives include sugar or salt grains, ground fruit pits, aluminum oxide particles, and tiny plastic beads (also called polyethylene beads, or microbeads). Microbeads are the mildest scrub because the particles are smooth and round. Ground fruit pits and aluminum oxide are the strongest scrubs because their particles have rough edges that may injure the skin. The abrasive material is mixed with a base, often a cream or cleansing fluid. Scrubs can worsen certain skin conditions such as acne or broken blood vessels. Scrubs are also not suitable for sensitive skin.
Topical Alpha Hydroxy Acid and Similar Substances. Alpha hydroxy acids (AHAs) ease the shedding of dead skin cells and may even stimulate growth of collagen and elastin. Natural alpha hydroxy acids include:
- Lactic acid (milk)
- Glycolic acid (sugar cane)
- Malic acid (apples and pears)
- Citric acid (oranges and lemons)
- Tartaric acid (grapes)
Most alpha hydroxy acid products contain glycolic acid. Skin care products are also made from polyhydroxy acids (PHAs) and beta hydroxy acids (BHAs). Research suggests that PHA products may cause less skin irritation than AHA or BHA products.
Acid concentrations in over-the-counter AHA preparations are 2 - 10%. Prescription strength creams contain at least 12% glycolic acid. Glycolic acid peels of 30 - 70% concentration may be administered in a doctor's office. Treatment is done weekly or monthly.
Results of AHA treatment varies. Side effects can include skin burn, itching, pain, and scarring. AHA may increase the chance of sun damage to the skin, even at concentrations as low as 4%. Side effects can last up to a week after a person stops using the product. Experts advise that for home use, AHA concentrations of 10% or less are suitable. AHA peels of up to 60% are available without a prescription. These concentrations should be used only under a doctor's supervision. If side effects occur, stop using the product right away. When using these products, avoid sunlight and use sun protection.
Other Skin Treatments
Copper Peptides. Certain copper-containing compounds may protect skin. This is because copper is an antioxidant. Copper peptides may also help repair skin because it helps the skin grow collagen and elastin. Copper is harmful when there is too much in the body. Follow instructions on the package when using these products. Check with your dermatologist if you are not sure which product is right for you.
Topical Fluorouracil. This is a medication prescribed to treat precancerous and cancerous skin problems. It also seems to improve the appearance of skin damaged by the sun. Problems that may be corrected include wrinkles and spots. The effects may be similar to those of laser therapy.
Herbs and Supplements
Many herbal products and supplements are advertised as being healthy for the skin. The Food and Drug Administration (FDA) does not regulate herbal remedies and dietary supplements. Manufacturers and distributors do not need FDA approval to sell their products. Any substance that affects the body's chemistry can produce side effects that may be harmful. Check with your doctor before using herbal products and supplements.
Some natural remedies can cause the skin to be extra sensitive to light (photosensitivity). They should not be used before talking with your health care provider:
- St. John's wort (Hypericum perforatum) is an herbal remedy for depression.
- Kava (Piper methysticum) is an herb promoted to calm nerves and reduce stress.
- Yohimbe (Pausinystalia yohimbe) is promoted to treat erectile dysfunction.
- Essential oils in many aromatherapy products can trigger photosensitivity. These include citrus oils (grapefruit, lemon, lime, orange, bergamot), cumin, ginger, and angelica root oils.
Skin resurfacing (exfoliation) is usually done in the office of a doctor, such as a dermatologist or plastic surgeon. The aim of skin resurfacing is:
- Removing abnormal tissue and rough skin
- Stimulating new skin growth
- Stimulating growth of collagen and elastin
When deciding on skin resurfacing, discuss the following with your dermatologist or plastic surgeon:
- Ability of the procedure to safely reduce wrinkles or other skin problems
- Depth of resurfacing and whether the procedure can reach this depth safely
- Skill and experience of the doctor
- Recovery time and what to expect during recovery
- Possible complications (the deeper the procedure, the higher the risk of complications such as infection)
- How long the benefits will last
Your age also determines which procedure is suitable:
- For people in their 30s, a simple chemical peel is often sufficient.
- After age 40, collagen or fat implants may be beneficial.
- For age 50 and older, doctors recommend laser resurfacing based on individual needs.
In older persons, combination procedures may be helpful:
- Laser surgery may be used for deep lines (such as those around the mouth) and chemical peels for the rest of the face.
- For enhancing the eye by correcting droopy eyelids, bags, and a "sinking" brow, combinations of an eyelift (blepharoplasty), botulinum toxin injection, and laser resurfacing may be used.
The doctor will ask about your medical history and medicines you take. This is because the different resurfacing methods cannot be done if you have certain medical problems or take certain medicines. For example, a chemical peel cannot done on persons who have severe liver and kidney disease, HIV, or immune system conditions.
After any resurfacing procedure, follow instructions about avoiding sun exposure. Apply sunscreen of SPF 30 to protect your new skin from UV damage.
Chemical peel is also known as chemosurgery. It helps restore wrinkled, lightly scarred, or blemished facial skin. A chemical peel removes the top layers of skin so that the new skin that grows back is younger-looking. The procedure is very effective for the upper lip, but it cannot be done around the eyes. A partial peel is often done along with a facelift. A chemical peel can also be combined with topical antioxidants such as tretinoin and vitamin C.
Your doctor will evaluate your skin type before recommending the type of chemical peel for you. This is because there are different types of acids and peeling methods as well as depth of treatment.
- The skin where the chemicals will be applied is thoroughly cleansed to remove bacteria.
- Depending on the depth of the peel, you will receive pain medication. A day or two before the procedure, you may also receive an antibiotic to prevent infection.
- Chemicals are applied to the skin. These may include trichloroacetic acid, high concentrations of alpha hydroxy or beta hydroxy acids, or various combinations of the three.
- In some cases, tretinoin or alpha hydroxy is applied 4 - 6 weeks before, and starting one day after the peel. This improves the effects of a peel and reduces the risk of skin discoloration.
- A crust or scab forms within 24 hours after the chemical is applied.
- You will receive instructions on how to care for your skin after you go home. Follow the instructions exactly. Doing so helps your skin heal and prevents complications.
- During healing, the visible skin is deep red but gradually lightens as it regenerates.
- Healing time varies depending on the depth of the peel. For peels that remove the top layer of skin, healing takes between 1 - 4 days. For deeper peels, it may take up to a year for the skin to recover fully.
Complications. Complications may include any of the following:
- Scarring or numbness
- Turning out of the lower eyelid (ectropion)
- Change in skin color or texture
- Wrinkles do not improve
- Permanent redness of the treated area
- Heart rhythm problems (cardiac arrhythmias)
Dermabrasion affects deeper layers of skin than chemical peels. It is often used to treat scars due to acne or injury. For aging skin, dermabrasion is effective for wrinkles on the upper lip and chin, but it cannot be used around the eyes. Some doctors use dermabrasion instead of lasers for darker skin.
Your doctor will determine if your skin type and problem area are suitable for dermabrasion. Be aware that dermabrasion may not completely improve skin problems such as wrinkles and sun damage.
Standard Dermabrasion. Standard dermabrasion uses a rotating brush that removes the top layers of a person's skin. As with chemical peels, dermabrasion removes the upper layers of skin, leaving the underlying layers exposed. After the procedure, the treated skin forms a scab. For full-face dermabrasion, a local anesthetic or general anesthesia may be used.
Microdermabrasion. This is a gentler form of dermabrasion. There are two methods. One uses a handheld device that streams tiny crystals to polish the skin. An attached vacuum removes the used crystals and exfoliated skin. Another method uses a handheld device that has a diamond tip and an attached vacuum.
Results of microdermabrasion are similar to those of light chemical peels. Mild redness occurs after treatment. For best results five or six treatments may be needed every 1 - 2 weeks.
Follow your doctor’s instructions about how to take care of your skin after you go home. Doing so helps your skin heal and prevents complications such as infection.
Complications of dermabrasion may include any of the following:
- Changes in skin color or blotchiness of the skin
- Acne outbreaks
- Permanent redness of the treated area
Lasers are an effective tool for eliminating wrinkles. One advantage of lasers over other resurfacing methods is their ability to tighten the skin. A successful procedure can make patients look 10 - 20 years younger, and the results can last for up to 10 years.
The procedure helps most around the eyes, nose, and mouth. Laser therapy can also be effective for acne scars that are widespread on the face.
When used alone, laser therapy may not completely eliminate crow's feet and other wrinkles, broken blood vessels, or dark circles under the eyes. Therefore, some doctors combine different laser techniques depending on the skin problem. Other treatments, such as dermabrasion, may also be combined with laser treatments. (A laser and dermabrasion combination is called lasabrasion.) Pretreatment with botulinum toxin injections before laser resurfacing, for example, may also improve the treatment of crow's feet.
Standard laser dermabrasion is too harsh for thinner skin layers such as on the neck. Gentler laser techniques, however, stimulate collagen without removing skin layers and may be useful for necklines.
Laser resurfacing is not recommended for persons with very sensitive skin and who cannot tolerate the necessary medicines and skin lubricants.
Choice of Lasers. The laser technology and source of laser beam used depend on the skin type and severity of the condition. These technologies can be combined for different areas of the face and are used to treat a variety of skin conditions:
- Ablative lasers treat the skin by damaging and removing the skin layers so that new skin can grow. The two types of lasers are: The CO2 laser delivers short pulsed energy or continuous energy into the skin. CO2 laser works well for wrinkles, age spots, scars, and other skin problems. The Erbium (Er:YAG) laser delivers high energy beams in pulses. This laser is gentler than other alternatives. It is effective for mild wrinkles and for providing a smooth skin texture. It is also used to treat skin blemishes that result from blood vessel abnormalities, such as port-wine stains.
- Non-ablative lasers treat the skin by stimulating collagen to grow. These lasers do not damage and remove the skin. Treatment is aimed at a smoother and more even appearance. Many types of non-ablative lasers are available. Depending on the type of laser your doctor uses, your doctor can tell you how effective it is for your skin problem.
Ablative Laser Resurfacing Procedure. The procedure works in the following way:
- You may receive pain medicine. This is to keep you relaxed and comfortable during the procedure.
- Energy in the form of light pulses from the laser penetrates the skin quickly. The top skin layers are damaged without damaging the deeper layers. This promotes the growth of new skin.
- The laser delivers enough energy to shorten collagen fibers, restoring some elasticity to the skin.
- Energy from the laser is very focused, so surrounding skin and tissue are not damaged.
- Right after the procedure, a dressing is applied to the treated area. The dressing protects the skin. It is left on for 3-4 days.
- Follow instructions exactly about how to care for your skin at home.
- Healing usually occurs in 7 - 10 days.
Recovery. The redness and irritation that occur during the healing process can be severe. Laser resurfacing that only removes thin layers of skin does not have the same severe after-effects as other laser treatments. For 8 - 9 days, the face looks skinned and swollen. During this time, continuous moisturizing and gentle washing is needed to prevent infection. Redness and sensitivity can last for 1 - 4 months. Exposure to sun must be avoided as much as possible during this time and in the future to prevent further skin damage. Sunscreen of SPF 30 should be applied daily.
Complications. Risk of complications from ablative laser resurfacing depends in part on the surgeon's experience. Scarring and infections develop in about 1% of procedures. People with a history of herpes simplex may experience flare-ups of fever, facial pain, and flu-like symptoms for 5 - 6 days after the procedure. Persons with darker skin may need to avoid the procedure, because it can cause changes in skin color or uneven skin color.
Other Exfoliation Procedures
Thermal Resurfacing. This method is also called cold ablation, or coblation for short. It is used mainly for early wrinkles on the forehead or around the eyes or mouth. Coblation uses radiofrequency energy. This energy is a much lower temperature than that of laser energy. Coblation heats the deeper layer of skin. This causes the collagen to contract, improving the appearance of wrinkles.
Intense Pulsed Light. Intense pulsed light (IPL) uses filters to deliver different wavelengths of light to the skin. IPL is used to treat a number of photoaging skin problems, and it appears to have long-term effects. Typically, four to six treatments are performed over a 4-month period. Each treatment takes 15 - 20 minutes. Unlike laser light, which uses one color wavelength (such as green or red), intense pulsed light starts with a full spectrum of light. The doctor can then block off specific wavelengths depending on how shallow or deep the treatment.
Injectable Skin Fillers
Injectable skin fillers are a common means of reducing wrinkles and folds. Fillers can also be used for depressions under the eyes as well as acne and other scars. The procedure usually involves using a tiny needle and syringe to inject the filler material under the skin of the area to be treated. The aim of fillers is to replace tissue volume that has been lost due to aging or illness. For example, fillers are used to enhance the lips to make them fuller.
Skin fillers are made of different materials. Some materials come from natural or human sources, such as fat taken from another part of your own body. Other materials are manmade (synthetic) such as hyaluronic acid. Depending on how long the effects last, fillers are divided into temporary, semi-permanent, and permanent types.
- You and the doctor discuss the areas you would like treated.
- The doctor assesses the appearance of your face and your skin type.
- The doctor marks the points on your face where injections will be made.
- Your skin is cleansed to remove bacteria.
- Pain medication is applied to your skin. Some fillers have pain medication in them.
- The filler is injected with a tiny needle. Each injection takes a few seconds.
- The marks are cleaned.
- You may be given an ice pack to apply to the treated area. Use it as instructed.
- Follow instructions about how to take care of your skin after you go home.
- Keep any follow-up appointments as instructed.
Complications. Skin filler injections are generally safe and effective. If there are complications, they usually go away. Your doctor can tell you the risks and complications of the specific filler that is recommended for you. In general, complications of any skin filler include:
- Bruising and bleeding at the injection sites
- Clumping of filler material
- Filler moves (migrates) to a different part of the face
- Infection where the needle was inserted
- Skin rash, redness, itching, sensitivity
- Wrinkles are not corrected enough, or are over-corrected
- Numbness and paralysis of the face (temporary and rare)
Botulinum Toxin Injections
Botulinum toxin (Botox, Myobloc) is used to smooth wrinkles that are formed over the years by muscles that are active when you make facial expressions. Forehead furrows, frown lines, and crow’s feet are the kinds of wrinkles that botulinum treats successfully.
Botulinum toxin is a substance made by a bacterium. Botulinum toxin is purified before it is used for cosmetic purposes. Botulinum causes muscles to relax. To smooth wrinkles, tiny amounts of the substance are injected where the muscles contract. This blocks the muscles from contracting thus reducing wrinkles or even causing them to disappear. Botulinum will not keep you from making normal facial expressions. It only relaxes the muscles that link to the wrinkles that are being treated.
Botulinum is recommended for persons 30 - 50 years old, whose wrinkles are just starting to form. Botulinum does not work for deep wrinkles, which are common in older persons.
Improvement is noticed about 1 week after the injections. Injections need to be repeated every few months because the effects wear off. Repeated use is safe and effective.
Before treatment, tell your doctor if you are allergic to eggs because botulinum is prepared with an egg base. Warning: Pregnant women should not receive botulinum toxin injections.
- You and the doctor discuss the areas you would like treated.
- The doctor asks you to make facial expressions. This helps the doctor determine which muscles are causing the wrinkles you want treated.
- The doctor may mark the points on your face where injections will be made.
- Your skin is cleansed to remove bacteria.
- Pain medicine may be applied to your skin.
- Botulinum is injected with a tiny needle. Each injection takes a few seconds.
- If marks were made, they are cleaned.
- Follow instructions about how to take care of your skin after you go home. You may be told not to lift anything heavy or bend over. This is to prevent the treated area from bruising or bleeding.
Complications. Botulinum toxin injection is generally safe and effective. Your doctor can tell you the risks and complications of botulinum injections. If there are complications, they may include any of the following:
- Bruising and bleeding at the places of injection
- Central nervous system problems due to toxin traveling to other parts of the body
- Drooping of the eyelids
- Facial weakness
- Flu-like symptoms
- Pain or redness at the places of injection
Cosmetic surgery is surgery done to improve a person’s appearance. Aging causes the skin and tissues of the face to lose firmness. As a result, the skin and tissues sag, causing wrinkles. Cosmetic surgery can correct such wrinkles. Main types of cosmetic surgery for wrinkles of the face and neck are facelift, forehead lift, and necklift.
Facelift surgery is also called rhytidectomy (rhytis means wrinkle). Degree of improvement after surgery depends on many factors, including age, bone structure, skin type, and lifestyle habits such as smoking and sun exposure. You and your doctor will discuss the areas you would like improved. Be sure you understand the amount of improvement to expect after surgery.
The Procedure. Simple facelift surgeries are done in a doctor's office under local anesthesia. More involved surgeries are done in a hospital under general anesthesia. The facelift procedure may be one of the following:
- Superficial musculoaponeurotic system (SMAS) is the most common facelift procedure. The surgeon makes incisions at the hairline and gently separates the skin from the underlying tissue and muscles. The muscles are tightened and excess fat and tissue, such as fat under the chin and neck, are removed. This surgery is done to improve the entire face. Variations of the SMAS procedure are done depending on the area of the face and depth of tissue to be treated.
- Endoscopic facelift is a less invasive surgery. It is usually done on specific areas of the face. Small incisions are made in the skin. An endoscope is inserted into the incision. The endoscope is a slender tube with a tiny camera and light on the end. It allows the surgeon to view the tissue and structures underneath the skin. The surgeon then removes excess fat and repositions muscles and tissues. Unlike the SMAS procedure, flaps of skin are not cut away.
Your doctor can tell you which procedure is appropriate for you.
Recovery. Recovery lasts several weeks to several months. With endoscopic facelift, scarring is minimal and recovery is usually faster than with the SMAS procedure. With either procedure, swelling and discoloration are common. There may be tingling or numbness, which go away as damaged nerves regenerate. To speed healing, your doctor will likely instruct you to avoid activity for a few days. You may also be told to keep your head elevated on pillows while lying down. This helps reduce swelling. Follow any other instructions on how to care for yourself at home. Keep all follow-up appointments.
Complications. Complications are rare, especially with a skilled surgeon. But the more complex the facelift, the greater the risk of complications. Complications may include any of the following:
- Collection of blood under the skin (hematoma)
- Excessive bleeding
- Change in skin color
- Imbalanced facial muscles
- Delayed healing
- Death of skin flap tissue
- Permanent injury to the nerves that control facial movements
- Loss of hair (alopecia)
Forehead lift is also called brow lift. This is surgery that improves wrinkles on the forehead, including the horizontal wrinkles and vertical wrinkles between the eyebrows. It can also improve crow’s feet wrinkles at the outer corners of the eyes.
Surgery can be done using long incisions (open procedure). Or it can be done using smaller incisions (endoscopic procedure). These procedures are described above under facelift. Forehead lift can be performed alone or along with other cosmetic procedures such as blepharoplasty (eyelid surgery).
Recovery and complications are the same as for facelift surgery.
Wrinkles that appear on the neck during aging are due to sagging skin and muscles and excess fat. Surgery can reduce neck wrinkles and improve the overall appearance of the neck.
- Platysmaplasty:The surgeon makes incisions behind the ears or under the chin or both. The neck muscle called the platysma is straightened. Or part of this muscle is removed. The muscle is then stitched (sutured) to hold it in place. This tightens the neck and reduces wrinkles. This surgery can be done as an open or endoscopic procedure.
- Cervicoplasty:The surgeon makes incisions behind the ears or under the chin. Excess neck skin is then removed. As a result wrinkles are reduced.
- Liposuction: The surgeon makes an incision below the chin. A tube (cannula) is inserted into the incision. The surgeon uses the tube to gently break up excess fat. The tube is attached to a machine that removes the fat. Liposuction may be combined with platysmaplasty or cervicoplasty.
- Platysmaplasty and cervicoplasty: Recovery process is the same as for facelift described above.
- Liposuction: You will likely be prescribed medicines to reduce pain and prevent infection. To reduce swelling, you may be told to keep your head elevated on pillows while lying down. You may also wear an elastic head and neck bandage. Follow any other instructions about caring for yourself at home. Keep all follow-up appointments.
- Platysmaplasty and cervicoplasty: Complications are the same as for facelift described above.
- Liposuction: Infection, bleeding or excessive blood loss, permanent nerve injury.
- Aging Skin Net | www.skincarephysicians.com/agingskinnet
- American Academy of Dermatology | www.aad.org
- American Society for Aesthetic Plastic Surgery | www.surgery.org
- American Society for Dermatologic Surgery | www.asds.net
- American Society of Plastic and Reconstructive Surgeons | www.plasticsurgery.org
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Reviewed By: Harvey Simon, MD, Editor-in-Chief, In-Depth Reports; Associate Professor of Medicine, Harvard Medical School; Physician, Massachusetts General Hospital. Also reviewed by A.D.A.M. Health Solutions, Ebix, Inc., Editorial Team: David Zieve, MD, MHA, David R. Eltz, Stephanie Slon, and Nissi Wang.