Ouidad's advanced climate control defrizzing shampoo gently cleanses and defines curls, for the perfect frizz-free foundation. Murumuru butter to help with sealing the hair cuticle and moisture retention in the hair shaft. Sericin, a protein derived from silk, which seals the hair cuticle to keep out frizz. Ceramides to help smooth the hair, make it shinier and protect against future damage. Gentle, sulfate-free formula respects hair's natural protective barrier. Safe for color-treated hair. Helps protect curls from heat and uv damage.