Product: Etude House I Need You, Collagen! Mask Sheet Claim: This mask sheet contains Collagen (Hydrolyzed Collagen) that strengthens the skin’s natural barrier for firm, youthful skin. Quantity: 20 ml (0.67 fl. oz.) Price: 950 KRW Check out my post on Etude House A-Z face masks for more details on the I Need you A-Z masksheets! All…