The T�nda Skincare system builds on more than 30 years of clinical use, creating the first handheld light therapy device which combats acne-causing bacteria and naturally stimulates collagen production in the skin. T�nda Clear is a 414nm blue LED treatment that is scientifically proven to kill the Propionibacterium acne bacteria that causes mild to moderate acne. T�nda Regenerate is a 660nm red LED treatment that accelerates the skin"s natural healing process. Tanda Regenerate diminishes the appearances of fine lines and wrinkles and gives the skin a natural healthy feel and appearance and minimizes the signs of aging. The result: appearance of healthy acne-free skin- in only minutes a day.