L'Oreal Paris EverCurl Sulfate Free HydraCharge Shampoo 250ml Our anti-frizz shampoo for curly hair is especially gentle on curls; This formula is sulfate-free, salt-free, and surfactant-free, so it won't strip hair or dull its color. For curly hair that needs lightweight, anti-frizz hydration that won't weigh curls down, look no further; EverCurl with Coconut Oil delivers deep moisture for up to 48 hours of curl definition with total system. Sulfates are cleansing agents that help breakdown oil, dirt, and build up on the scalp and hair; But some sulfates can be harsh and stripping; Our sulfate-free shampoos and conditioners are non-stripping and made for color-treated hair.