7-in-1 multi-purpose LED light Therapy masks Red light: Boosts collagen production for firmer, younger-looking skin. Â Blue light: Fights acne and soothes irritation. Â Green light: Balances skin tone and reduces redness. Â Yellow light: Energizes your skin cells. Â Purple light: Combines red and blue light benefits for the ultimate skin rejuvenation. Â Cyan...