Description: rh-polypeptide-62 is a single chain recombinant human peptide, produced by fermentation in e. coli. the starting gene is directly isolated from a human cell which codes for hepatocyte growth factor. it contains a maximum of 728 amino acids which may contain disulfide bonds and/or glycosylation. the protein consists of the proper sequence of the 20 standard amino acids. see reported ingredient functions-the cosmetic drug distinction, in regulatory and ingredient use information, volume i, part a.