Ceramide Treatment Protein Repair System for Dry and Damaged Hair. Contains Keratin, Amino Acids, Silk Elastin, and Wheat Protein. This hair treatment strengthens, repairs, and protects your tresses, giving you shiny, healthy hair. It also contains hydrolyzed silk to smoothen and detangle your hair, leaving them soft, silky and manageable. Fills spacing missing low molecular protein in the hair that is damaged and lacking in protein due to frequent dyeing and perming and prevents split ends and damage. Quinoa is strong against heat and protects the hair from heat. It activates low molecular proteins and improves absorption into the hair. Proteins fill every crevice of the hair and effectively prevents breakage and split ends. CP-1 Premium Silk leave-in treatment gives your hair everything it needs after washing. It gives hair the necessary hydration, nourishes hair down to the ends, leaves hair silky soft to the touch, and provides thermal protection. How to use: Put a small amount of serum into your palms and then work it into your hair. Do not rinse.