Product Code: C1519 Brand Name: Aqua-natural GKA CAS No.: 1269630-89-8 Main Content: 99.5% Application: Glyoxyloyl keratin amino acids is called oxoacetamide amino acids, it is the most effective and safest hair straightener as known, it can well be used in various hair care products with good performance to naturally repair hair and make it straight,smoothy and shiny.