The COSRX Advanced Snail Mucin Glass Glow Hydrogel Mask delivers intensive, all-around care: 25% Snail Secretion Filtrate , combined with hyaluronic acid, niacinamide, ceramides, peptides, and panthenol , hydrates the skin, soothes irritation, and provides a visible glow and a smooth texture. The peel-off mask gradually transforms from opaque to transparent during use, indicating that the active ingredient has been fully absorbed. Ideal for dry, stressed, or dull skin.