UV exposure is also associated with an increased risk of developing skin cancer and premature aging (wrinkles, etc) of the skin. A sunburn (reddening and blistering) may result from short-term exposure to the beam. Far and Mid-ultraviolet (the actinic UV) are absorbed by the epidermis. The epidermis is the outermost living layer of skin. Depending on the wavelength, the beam may penetrate both the epidermis and the dermis. ![]() Lasers can harm the skin via photochemical or thermal burns. ![]() ![]() ![]() The most likely skin surfaces to be exposed to the beam are the hands, head, or arms. Skin is the largest organ of the body and, as such, is at the greatest risk for coming in contact with the laser beam.
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