For those looking for natural and non invasive options for enhancing skin appearance or treating common skin disorders and medical conditions ... the future is here. The light spectrum contains many different kinds of light energy. Each type of light energy has a unique effect on the cells that make up the human body. Phototherapy is the therapeutic use of various wavelengths of light energy to treat medical conditions and diseases. UV light is used by dermatologists to treat skin conditions such as psoriasis, eczema and dermatitis. UV light causes melanocyte cells to produce pigment that creates a natural sunburn barrier, SPF, in the skin. UVB light converts cholesterol in the skin to Vitamin D3. Red Light causes cells to produce collagen, the skin's natural support system. Different wavelengths of Red Light have a rejuvenating effect on cells that can lead to many therapeutic benefits (arthritis, detoxification, soft tissue injury, fractures) Blue light has been found to kill P.acnes bacteria, the bacteria that is responsible for causing acne. Combination Blue and Red light therapy is used by dermatologists to eliminate acne and rejuvenate damaged skin.