Laser surgery is a procedure that uses a laser (in contrast to using a scalpel) to breach tissue. Types of surgical lasers include carbon dioxide, argon, Nd: YAG laser and Potassium titanyl phosphate from among others.
A range of lasers such as Erbium, Dye, Q switch lasers and CO2 are used to treat various conditions including scars, vascular and pigmented lesions and for photo-rejuvenation. The laser surgery often bypasses the surface. The principle of laser surgery is based on SPTL (selective photothermolysis). The laser beam penetrates the until it encounters chromophore which absorbs the laser beam. After absorption of the laser beam, heat is generated to induce coagulation, necrosis of the targeted tissue, this result in removal of unwanted tissue by laser surgery.
Lasers are used for a variety of aesthetic indications such as:
TYPES OF LASERS
The CO2 laser is the highest intensity laser treatment currently available. After being treated with the CO2 laser, the surface of the appears tighter and smoother because the laser uses heat to restrict the collagen bands found in the lower dermis. The CO2 laser can eliminate or diminish the appearance of most wrinkles, scars, warts and birthmarks.
Erbium lasers are able to remove thinner layers of than the more powerful but less precise CO2 laser.
The Fraxel® laser resurfacing treatment is distinct from other laser rejuvenation treatments that use either the erbium or the CO2 laser. Since the Fraxel® laser procedure is non-invasive, there are very few post-treatment side effects.
Undergoing a laser resurfacing procedure can greatly benefit the youthfulness and beauty of your . It is particularly important that you use a ‘broad-spectrum’ sunscreen, which screens ultraviolet B and ultraviolet A rays, to protect your during that time. Lasers are also used for laser-assisted Lipectomy.
Laser hair removal is the process of hair removal by means of exposure to pulses of laser light that destroy the hair follicle. Hair removal lasers have been in use since 1997 and have been approved for ‘permanent hair reduction’ in the United States by the Food and Drug Administration (FDA).
Under the FDA’s definition, ‘permanent’ hair reduction is the long-term, stable reduction in the number of hairs re-growing after a treatment regime. Indeed, many patients experience complete re-growth of hair on their treated areas in the years following their last treatment.
This means that although laser treatments with these devices will permanently reduce the total number of body hairs, they will not result in a permanent removal of all hair.
Hair grows in several phases (anagen, telogen, catagen) and a laser can only affect the currently active growing hair follicles (early anagen). Hence, several sessions are needed to damage the hair in all phases of growth and force it to revert back to a vellus non-colored small hair.
Some side effects may occur after laser hair removal treatments, including itching, pink , redness and swelling around the treatment area or swelling of the follicles (follicular edema). These side effects rarely last more than two or three days. The two most common serious side effects are acne and discoloration. Some level of pain should also be expected during treatments, but adequate care is taken to alleviate it by application of creams and ice.