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SKIN REJUVENATION, ATROPHIC SCARS AND WRINKLES
Wrinkles or rhytides appear as a process of aging. The first signs of aging are often apparent by ages 30-35. By aging, the epidermis becomes thinner and dermal blood vessels, fat, collagen and elastic fibers reduce, resulting in a thin and inelastic skin. However, other factors are known to enhance the appearance of wrinkles. These include sun exposure, smoking and facial muscle movements.
Laser light of wavelengths between 1000 and 1500 nm (also known as non-ablative lasers) have been successfully used for reducing wrinkles and atrophic scars and achieving facial rejuvenation. At these wavelengths, the laser energy is not absorbed by the superficial water-containing tissue, allowing deep penetration into the dermis. Non-ablative laser systems create wounds in the dermis, inducing collagen remodeling in the process. Since the epidermis is not disrupted, non-ablative laser systems allow collagen remodeling with minimal morbidity and recovery time. Laser light with wavelengths of 1320 nm has proven to be effective in the treatment of mild to moderate wrinkles and achieving facial rejuvenation. Additionally, wavelengths between 585 and 595 nm have also proven to reduce mild facial wrinkles with minimal side effects.