Laser hair removal – Mayo Clinic


Laser hair removal is a checkup procedure that uses a digest beam of light ( laser ) to remove unwanted hair’s-breadth .
During laser hair removal, a laser emits a light that is absorbed by the pigment ( melanin ) in the hair’s-breadth. The light energy is converted to heat, which damages the tubular pouch within the skin ( haircloth follicles ) that produce hairs. This damage inhibits or delays future hair increase .
Although laser hair removal effectively delays haircloth growth for long periods, it normally does n’t result in permanent haircloth removal. Multiple laser hair removal treatments are needed for initial hair’s-breadth removal, and sustenance treatments might be needed deoxyadenosine monophosphate well. Laser hair’s-breadth removal is most effective for people who have light skin and dark hair’s-breadth, but it can be successfully used on all hide types.

Why it’s done

Laser hair’s-breadth removal is used to reduce unwanted hair. Common treatment locations include legs, armpits, upper lip, kuki and the bikini line. however, it ‘s possible to treat undesirable hair in closely any area, except the eyelid or surrounding area. Skin with tattoo should not be treated either .
Hair semblance and clamber type influence the success of laser hair removal. The basic principle is that the pigment of the hair’s-breadth, but not the pigment of the skin, should absorb the luminosity. The laser should damage merely the hair’s-breadth follicle while avoiding damage to the hide. consequently, a contrast between haircloth and skin color — iniquity hair’s-breadth and light skin — results in the best outcomes .
The risk of damage to skin is greater when there is little contrast between hair and clamber color, but advances in laser technology have made laser hair removal an choice for people who have darker hide. Laser hair removal is less effective for hair colors that do n’t absorb light well : grey, bolshevik, blond and white. however, laser treatment options for light hair continue to be developed .


Risks of side effects vary with clamber type, hair color, treatment plan and attachment to pre-treatment and post-treatment worry. The most park side effects of laser hair removal include :

  • Skin irritation. Temporary discomfort, redness and swelling are possible after laser hair removal. Any signs and symptoms typically disappear within several hours.
  • Pigment changes. Laser hair removal might darken or lighten the affected skin. These changes might be temporary or permanent. Skin lightening primarily affects those who don’t avoid sun exposure before or after treatment and those who have darker skin.

rarely, laser hair’s-breadth removal can cause acerb, crusting, scarring or early changes in bark texture. early rare side effects include graying of treated hair or excessive hair growth around treated areas, particularly on dark skin .
Laser hair removal is n’t recommended for eyelids, eyebrows or surrounding areas, due to the possibility of hard eye injury .

How you prepare

If you ‘re concern in laser hair removal, choose a repair who ‘s board certified in a forte such as dermatology or cosmetic operation and has experience with laser hair removal on your peel type. If a doctor adjunct or licensed nanny will do the procedure, make certain a repair supervises and is available on-site during the treatments. Be timid about resort hotel, salons or other facilities that allow nonmedical personnel to do laser hair removal .
Before laser hair’s-breadth removal, agenda a reference with the doctor of the church to determine if this is an appropriate discussion option for you. Your doctor will probably do the follow :

  • Review your medical history, including medication use, history of skin disorders or scarring, and past hair removal procedures
  • Discuss risks, benefits and expectations, including what laser hair removal can and can’t do for you
  • Take photos to be used for before-and-after assessments and long-term reviews

At the reference, discuss a treatment plan and associate costs. Laser hair removal is normally an out-of-pocket expense .
The doctor will besides offer specific instructions to prepare for laser hair removal. These might include :

  • Staying out of the sun. Follow your doctor’s advice for avoiding sun exposure before and after treatment. Whenever you go out, apply a broad-spectrum, SPF30 sunscreen.
  • Lightening your skin. Avoid any sunless skin creams that darken your skin. Your doctor might also prescribe a skin bleaching cream if you have a recent tan or darker skin.
  • Avoiding other hair removal methods. Plucking, waxing and electrolysis can disturb the hair follicle and should be avoided at least four weeks before treatment.
  • Avoiding blood-thinning medications. Ask your doctor about what medications, such as aspirin or anti-inflammatory drugs, to avoid before the procedure.
  • Shaving treatment area. Trimming and shaving is recommended the day before laser treatment. It removes hair above the skin that can result in surface skin damage from burnt hairs, but it leaves the hair shaft intact below the surface.

What you can expect

Laser hair removal normally requires two to six treatments. The interval between treatments will vary depending on the placement. On areas where hair grows cursorily, such as the upper sass, the treatment might be repeated in four to eight weeks. On areas of dense hair growth, such as the back, the treatment might be every 12 to 16 weeks.

For each treatment you ‘ll wear special goggles to protect your eyes from the laser beam. An assistant might shave the web site again if necessity. The repair might apply a topical anesthetic to your skin to reduce any discomfort during treatment .

During the procedure

The doctor will press a hand-held laser instrument to your bark. Depending on the type of laser, a cool device on the tip of the musical instrument or a cool mousse might be used to protect your skin and lessen the risk of slope effects .
When the doctor activates the laser, the laser beam will pass through your skin to the hair follicles. The intense heating system from the laser beam damages the haircloth follicles, which inhibits hair growth. You might feel discomfort, such as a warm pinprick, and you ‘ll likely feel a sensation of cold from the cooling device or gel .
Treating a small area, such as the upper brim, might take only a few minutes. Treating a larger area, such as the second, might take more than an hour .

After the procedure

You might notice inflammation and swelling for the first few hours after laser hair removal .
To reduce any discomfort, apply internal-combustion engine to the treated area. If you have a clamber reaction immediately after laser hair removal, the doctor might apply a steroid hormone cream to the affect sphere .
After laser hair’s-breadth removal and between scheduled treatments, debar sunlight and do n’t use a tanning bed for six weeks or as directed by your doctor. Use a broad-spectrum SPF30 sunscreen day by day .


Hairs do not fall out immediately, but you will shed them over a period of days to weeks. This may look like continue haircloth growth. The reprise treatments are normally necessity because hair growth and loss naturally occur in a cycle, and laser treatment works best with hair’s-breadth follicles in the new-growth degree .
Results vary importantly and are unmanageable to predict. Most people experience hair removal that lasts several months, and it might last for years. But laser hair removal does n’t guarantee permanent hair removal. When hair regrows, it ‘s normally all right and lighter in color .
You might need sustenance laser treatments for long-run hair reduction .

What about home lasers?

Lasers that can be used at home for haircloth removal are available. These devices might cause modest hair reduction. But there are no large studies comparing how effective these devices are compared with laser hair removal done at a doctor of the church ‘s agency.

additionally, the U.S. Food and Drug Administration considers these home laser haircloth removal devices to be cosmetic, not medical, which means they do n’t get the same horizontal surface of scrutiny as other medical devices. presently, there have n’t been bombastic, long-run studies on how safe and effective the home machines are .
If you choose to use a home laser hair removal device, follow the instructions that come with the device to help reduce the risk of injury, particularly center injuries .

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