SARYNA KEY™ Curl Control Treatment Shampoo contains Shea Butter, one of nature’s purest and richest sources of keratin, complemented with silk proteins, multi pro-vitamins with B5 Complex and amino acids. These active ingredients work in unison to enhance your curls and to fortify your hair. Our Curl Control Treatment Shampoo is SLS/SLES-, Phosphate- and Paraben-free. For perfectly-defined, bouncy, naturally-soft curls.