LED Red light (635nm): Anti-aging, stop hair losing, skin rejuvenation, skin tightening, remove all kinds of pigment Green light(560nm): Improves oily skin and acne, improves lymph circulation Blue(415nm): Acne healing, sensitive skin care Yellow light(590nm): Accelerates blood and lymph circulation, pigment removal, and improve the skin tone Infrared led light (830nm): Wound healing, pain relief