Our Protein Hair Straightening Cream contains glycerin, collagen, hydrolyzed keratin. It can repair damaged hair, improve hair environment and quality, soften hair, protect hair cuticles, and make hair soft and shiny. Its use method is very simple: first wash and blow dry the hair, the hair is divided into several parts, take the right amount of straightening cream in the palm, from the root to the tip of the hair evenly apply, wait 20-30 years after rinse with water. Smooth frizzy split, repair damaged hair, make hair natural smooth.