Our collagen hair mask contains keratin, collagen, and Moroccan argan oil. It can deeply nourish the hair and repair damaged hair. It gives shine to the hair, making it smoother and brighter. The usage method is very simple: 1. Wet your hair. 2. Apply an appropriate amount of the hair mask evenly on your hair, wait for 3-5 minutes, and then rinse thoroughly. The texture is lightweight, non-greasy, absorbs quickly, and is comfortable to use.