Our collagen repair hair mask contains cetroxonium chloride and polydimethylsiloxane. It can be deep care, effectively repair damaged hair, reduce dry hair, make hair more healthy smooth and shiny. Its use method is very simple: wash your hair and dry it with a towel, apply appropriate amount of this product to the whole hair, wait for 5-10 minutes, rinse off with water. After use, it can strengthen the hair roots, help improve the overall texture of the hair, restore the vitality and shine of the hair, and make you look younger.