Shu Uemura Ultimate Remedy Extreme Restoration Duo-Serum is a lightweight, leave in serum designed to control frizz, hydrate and deeply nourish damaged hair. It prevents split ends by repairing and coating the cuticle for manageability, softness, and shine. Infused with powerful Ceramide 2000 PPM technology and rich in Lotus Infusion to keep the hair fiber sealed and intact. Works on all damaged hair types, from fine to thick. Features a stimulating peppermint fragrance that cools the scalp and energizes the mind. Leaves hair healthier, soft and smooth.