Give your skin a youth-boosting treatment K-Beauty style with this ultra-convenient sheet mask. After cleansing and applying lotion, place a Collagen Peptide mask on your clean face, adjust it to fit the contours, then leave it on for 10 to 20 minutes. Remove it, gently pat the excess serum to help absorption, without rinsing. Use several times a week, or even daily as a treatment, for plump, smooth, and radiant skin.