Our Protein Corrective Hair Straightening Cream contains collagen, glycerin, and plant extracts.It softens hair, controls frizz, deeply conditions, combs, moisturizes and restores dull and dry hair, improves its manageability and elasticity, and gives it a beautiful shine.It is easy to use: first wash your hair with shampoo before use (dry and comb), after that apply the product evenly to your hair, calculate the straightening time according to different hair types, 20-30 minutes for healthy hair and 10-20 minutes for damaged hair, and finally rinse your hair with water.After use, it repairs damaged hair, improves hair environment and quality, softens hair, protects hair cuticle, and makes hair soft and shiny.