"palmitoyl' means the univalent radical derived from palmitic acid (hexadecanoic acid) characterised by the loss of the hydroxy group, 'keratin amino acids' means amino acids derived from keratin Palmitoyl keratin amino acids is used in cosmetic formulations. The substance acts as an antistatic agent (reduces static charges by neutralizing the electrical charge on the surface, e.g. of hair) and as a cleanser.