W e focus on small peptides of two to six amino acids and OEM service is available ,too.Product Line Functional Peptides:L-Alanyl-L-Glutamine L-Carnosine Glycyl-L-Glutamine Monohydrate N-Aceyl-L- Carnosine Zinc Carnosine Alanyl-L-TyrosineCosmetic Pepetide :GHK-CuAHK-CuPalmitoyl Tetrapeptide-7Lipopetide Palmitoyl Pentapeptide-4Acetyl Hexapeptide-8