Product Name: Oligopeptide-74 Appearance: White powder Purity: 99% Standard: Enterprise Standard Supplier: ZhenYiBio Oligopeptide-74 is a synthetic peptide containing 11 amino acids, composed of glutamine, glycine, histidine, leucine, lysine, methionine, serine, threonine and tyrosine. Main Function: Skin conditioning: Keep the skin in good condition.