COSRX Snail Mucin 96% Power Repairing Essence 3.38 fl.oz / 100ml Hydrating Serum for Face with Snail Secretion Filtrate for Dull Skin & Fine Lines #1 Best Seller in Facial Serums Being 96% Snail Secretion Filtrate (Mucin), this essence helps the skin to lose less moisture while keeping the skin smooth and healthy. Used one time - just not the right product for my skin. ✨ Unless NWT, All Items in my Closet are Very Gently Pre-Loved ✨ Smoke & Pet Free Home ✨ Be Confident in Your Purchase ✨ Posh Ambassador & 5-Star Seller ✨ Ships Same or Next Day ✨ Questions? Leave a Comment for a Quick Response ✨