this led mask face mask has 3 lights which works for different skin concern u get charge pin to charge it it helps to achieve clear skin ref lights helps to build collagen and tightens skin ,orange lights help to remove dark spots and pigmentation and uneven skin tone it's help to brightening the skin if you use only 10 min u see ur skin is brightening and blue lights help to reduce acne it's killed bacteria on face and prevent acne I use this lights after workout so I can't get acne