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Saturday , 23 June 2018
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Uses of Lasers in Cosmetic Medicine

Lasers are medical devices, which produce high-energy, focused beams of intense, “single-colored” light, and heat which have been found – through ongoing research and extensive clinical experience – to selectively interact, in very useful ways, upon various tissues within the skin and body. The amount and distribution of energy in laser light is more precisely delivered. So this may have an advantage over mechanical application of a scalpel or topical chemicals, for the successful treatment of many aesthetic and medical conditions.

Lasers do three things for skin.Hair reduction,skin rejuvsnation & treat the skin lesions.

  1. Laser hair removal

This a cosmetic procedure that uses a powerful laser like diode to remove unwanted hair.

This light source heats and destroys hair follicles in the skin, which disrupts hair growth. Common areas to treat are the face, legs, arms, underarms and bikini line.

It can be helpful for women with hirsutism (excessive hair growth). Generally, it’s most effective on women with pale skin and dark hair, 

You may be recommended upto six sessions, spaced about four to six weeks apart. The results of laser hair removal may not permanent. They usually last from weeks to months, and regular sessions may be needed to achieve and maintain the desired effect. There’s no guarantee it will clear all the hair. Take time to find a reputable practitioner who is properly qualified and practises in a clean, safe and appropriate environment.

 

You’ll need to shave the area of skin the day before your appointment.

On the day, you’ll wear specially designed goggles to protect your eyes during the procedure. Local anaesthetic isn’t necessary. The practitioner usually applies a cool gel or cooling air spray to the area of skin. They then press a hand-held device to your skin and trigger the laser. This may feel like an elastic band snapping at your skin. Each session may take between 15 minutes to over an hour. The number of sessions needed depends on the area to be lasered and the system used.

The area may be red with a raised rash for up to 24 hours afterwards. Holding an ice pack to the skin may help. Your skin will be more sensitive to the sun after laser hair removal. Avoid sun exposure and tanning beds for at least a week after treatment, and use sunscreen.

  1. Laser Skin Resurfacing

Laser resurfacing uses a specially crafted beam of thermal energy like carbondioxide laser  that gets to work deep into the layers of your skin. Unlike peels or abrasive skin exfoliation, these laser beams of heat precisely target and vaporize damaged skin. By creating injury to the old skin, the body works to create new, tighter skin that has smaller pores and fewer wrinkles and blemishes. Skin resurfacing removes the epidermis and penetrates into the papillary dermis, which responds by producing new collagen. This allows healing and regeneration of the skin.

This is usually done to improve wrinkles or acne scars or other imperfections from the skin. Treatment time depends on the condition and the size of the area being treated. Small areas such as an upper lip and chin can take between 20-30 minutes.

  1. Laser Removal of Birthmarks ,tattoos and Skin Lesions

Port-wine stain birthmarks respond remarkably well to laser treatment. The abnormal blood vessels that cause these marks are reduced in size by the laser. This results in a lightening of the treated area. Skin growths, facial “spider veins,” warts, and some tattoos respond to laser surgery. Most situations take more than one laser treatment, but some respond to a single treatment.The tattoos can also be removed by a special laser.

With new technology lasers have become safe to use. But it is important to go to a trained cosmetic surgeon who has the knowledge of lasers for these procedures. Lasers can be harmful if not applied properly. The  plastic surgeon often uses the minimum laser intensity possible. The low intensity requires many treatments. However, the low intensity also preserves as much of the healthy tissue as possible. This produces an aesthetically pleasing result. Many of these laser surgeries are performed as outpatient treatments in hospitals or offices.

After your surgeon has indicated that a laser can be helpful in the surgery, your surgeon will explain the laser of choice and what can be accomplished. As with all surgery, the laser has its limitations. Often the results are very good. Your surgeon will give you the best judgment for the particular procedure.

Some surgeons may use local anesthetics to numb the treated area before the surgery. Surgery can sometimes be done in the surgeon’s office; other times the surgeries are performed in outpatient facilities at a clinic or hospital. Your surgeon will decide on the appropriate method, dictated by the nature of the surgery.

Because safety is a major component of laser use, your surgeon will describe safety precautions before the surgery.

After the surgery, you will probably experience some swelling and skin redness for several days. Antibiotic ointments may be used during the healing process. It is important for the patient to follow all the post – operative directions of the surgeon, particularly in using sunblock and avoiding sun exposure.

The full impact of the laser may not be apparent for a month or two, especially with vascular deformities. Additional treatment sessions will not be scheduled until the healing process for a particular treatment is complete.

This has great benefit as it improves self-confidence by giving a more youthful

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