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Laser treatment reduces unwanted hair on most areas of the body except around the eyes. Common treatment areas include the legs, bikini line, back, chest, upper lip, and chin. Facial hair removal is typically performed at four-week intervals, while body hair treatments are typically performed at 12-week intervals. Treatment is generally not effective for white, gray, red, or blond hair. The page recommends avoiding waxing two weeks before treatment and notes that hormonal conditions such as polycystic ovary disease may need to be addressed before starting treatment.