Why is laser resurfacing not permanent?

The effects of laser skin resurfacing are permanent when it comes to issues such as scarring. Once a specific scar is gone, it will not come back. However, with regard to the visible signs of aging, the results are not permanent.

medicalnewstoday.com - Laser skin resurfacing: Uses, benefits, risks, and cost - Medical News Today

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Laser skin resurfacing works by removing the top layers of the skin to stimulate the growth of new skin cells and the production of collagen. This can decrease the appearance of fine lines, sun damage, and other signs of aging. Also, laser skin resurfacing can help reduce visible scarring and some other skin conditions. Doctors call laser skin resurfacing an ablative therapy, which refers to the fact that it actively removes layers of the skin. A less invasive type of laser treatment, known as laser skin rejuvenation, is non-ablative, as it does not injure the skin’s surface. Although this can shorten the recovery time, the results may be less pronounced. In this article, we will look more closely at what laser skin resurfacing is, for whom it is safe, what results it can produce, and what happens during a session. We will also look at the recovery process and potential risks. What is laser skin resurfacing? Share on Pinterest danr13/Getty Images Laser skin resurfacing is a cosmetic procedure that involves a dermatologist directing a laser onto the skin. The laser removes the top layer of skin cells, known as the epidermis, and the outer cells of the dermis, which is the second layer of the skin. The procedure works by stimulating the growth of new skin cells and the production of collagen, a protein that gives skin its structure. Age decreases the body’s ability to build new collagen, so by stimulating its production, laser skin resurfacing can help the skin appear plumper. Laser skin resurfacing may reduce the appearance of: age spots

scars, including from acne

fine lines and wrinkles

warts

some types of birthmark

large pores

sun damage There are many different types of lasers dermatologists can use on the skin. The two most common types are carbon dioxide lasers, which remove scars, wrinkles, and warts, and erbium lasers, which remove lines and wrinkles. Erbium lasers typically cause fewer side effects. Laser skin resurfacing is ablative, which means it involves injuring the skin. A related procedure — laser skin rejuvenation — is non-ablative, meaning it does not remove any skin. Ablative laser resurfacing offers more dramatic results, but it can cause more side effects, including pain and skin damage. Non-ablative laser treatment has a lower risk of side effects, but the results are typically less pronounced. What results to expect from laser skin resurfacing? Immediately after laser skin resurfacing, the skin may be sore and irritated. This can last several days. A person will also have increased sensitivity to UV light, which can last up to 1 year. However, as the skin regrows, people typically notice that the skin looks plumper. Age spots, wrinkles, and dull skin are less noticeable. The skin may look softer, smoother, or more moisturized. Laser skin resurfacing cannot mimic the results of a face lift, but it will improve the skin’s surface by reducing the appearance of: lines

age spots

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discoloration

scarring The skin can continue to improve in appearance for up to 1 year following treatment. The effects of laser skin resurfacing are permanent when it comes to issues such as scarring. Once a specific scar is gone, it will not come back. However, with regard to the visible signs of aging, the results are not permanent. Most people notice that their skin looks younger for several years following treatment, but as aging continues, signs of aging will begin to show again. A person can repeat laser skin resurfacing to try to maintain the results. The procedure Before the first laser skin resurfacing session, a healthcare professional will take a person’s medical history to make sure the procedure is safe for them. They will then explain the potential benefits and risks and what the recovery and aftercare entail. Next, they may recommend a series of skin treatments prior to laser resurfacing. These usually begin at least 6 weeks in advance and can help minimize the risk of complications. Laser resurfacing sessions typically take 30–120 minutes, depending on the size of the treated area. It is a painful procedure, so a doctor will administer an anesthetic. If the area is relatively small, this will be a local anesthetic. Some individuals may also take a sedative to help them relax. For larger treatment areas or for when a person is undergoing several procedures at once, a doctor may suggest general anesthesia. This causes unconsciousness. During treatment, the doctor applies a laser to remove targeted skin cells. After the procedure is over, they will dress the skin in a protective bandage. A person will need observation until anesthesia wears off, but they can usually go home the same day. In most cases, someone else will have to take the patient home. Aftercare Aftercare is important following laser skin resurfacing. The skin may be swollen and sensitive after a session. It will also remain vulnerable to sun damage for some time afterward. A dermatologist can provide detailed instructions on how to care for the skin as it heals. Immediately after a session, they may recommend: applying ice packs or cool compresses for swelling

keeping the head elevated

using petroleum jelly to protect the skin and reduce irritation

bathing in salt water to aid healing

using dressings to cover the skin

avoiding smoking, as it slows healing For persistent inflammation, swelling, or irritation, they may prescribe a mild steroid cream. If an individual develops an infection, they may need antibiotics. It is advisable to ask a dermatologist before applying anything else to the skin while it heals. It is essential to avoid exposing the treated skin to the sun. A person should avoid being outside in sunny weather, wear wide-brimmed hats or other clothing to shield the skin, and wear SPF of 30 or higher. It is also important to monitor for signs of infection, such as: fever

intense pain

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pus

rash Call a doctor immediately if these signs appear.

Risks and side effects Most side effects of laser skin resurfacing are temporary. After a session, the skin may feel: inflamed

swollen

itchy

sore or painful These symptoms tend to last several days. It is normal for the skin to become dry and start peeling after 5–7 days. Some individuals develop skin that looks severely sunburned, with oozing, crusting, or blistering. They should not scratch this off, as it can lead to scarring. Another side effect for all people undergoing this procedure is increased sensitivity to the sun. It will be easier to get sunburn, and exposure to the sun may cause hyperpigmentation. This is when patches of skin become darker than the surrounding area. It can take up to 1 year for this effect to wear off. Some other risks include: milia

acne

reactivation of cold sores

uneven skin tone, especially in dark complexions

bacterial infection

severe sun damage if a person does not wear sunscreen Rarely, laser resurfacing causes scarring. How much does laser skin resurfacing cost? The cost of laser skin resurfacing will depend on the location and the experience of the doctor performing the procedure. The American Society of Plastic Surgeons estimates that the average cost of ablative laser resurfacing is $2,509, and of non-ablative laser resurfacing — $1,445.

medicalnewstoday.com - Laser skin resurfacing: Uses, benefits, risks, and cost - Medical News Today

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