This TONYMOLY Mask Melt PDRN + Hyaluronic Acid Overnight Hydrogel Mask deeply hydrates while you sleep, leaving skin dewy, plump, and refreshed. The ultra-absorbent hydrogel hugs skin for mess-free overnight wear while supporting moisture and barrier recovery..Enhances elasticity and supports visible skin recovery.Formulated without parabens, sulfates, phthalates, and drying alcohols.Not tested on animals.4 pieces.Apply one mask to clean, dry skin. Leave on for at least 3 hours or overnight. .Remove and gently pat remaining essence into skin. .Use as needed as the final step in your nighttime skincare routine.