Rael Collagen + PDRN Hydrogel Mask infuses skin with a concentrated serum essence. This anti-slip hydrogel mask deeply hydrates, boosts the skin barrier, and helps minimize pores. Formulated with Salmon PDRN, hyaluronic acid, collagen, and peptides, it works in one hour to improve the appearance of firmness, elasticity, and radiance. This dermatologist-tested mask is safe for sensitive skin and contains four sheets.