Hada Labo Platinum Hydrating Kotojyun Mask is a high penetrating serum mask infused with premium platinum nanoparticles that act as an anti-oxidant ingredient to protect skin from environmental damage and improve skin tone and radiance. With 4 types of Hyaluronic Acid (HA) infused into sustainable non-woven fabric Bemliese® to effectively strengthen skin barrier and reduce fine lines for soft, smooth and supple skin. Made with Bemliese® non-woven fabric which has excellent biodegradability that lends to natural decomposition. Each mask is infused with 23ml beauty serum to deeply hydrate skin for intense and long lasting hydration. Skin pH balanced. Low irritation. Free of alcohol, fragrance, colorant & mineral oil.