Etude House Collagen Skin Firming 0.2 Therapy Air Mask Collagen Skin Firming will help to give the skin elasticity. It has in its composition a substance that, penetrating into the cells, helps to maintain the shape and structure of the fibers from the inside. The skin becomes taut and elastic. It acquires freshness and natural shine, looks rested and renewed. The product is designed for aging skin. It works from the inside, because thanks to the active formula, it penetrates the cells. Collagen effectively retains moisture and prevents it from evaporating. The contours of the face become tightened and clear.