Oligopeptide-51 is a rare cosmetic ingredient. It is a synthetic peptide containing 11 amino acids consisting of alanine, arginine, aspartic acid, glycine, leucine, serine, threonine, and tyrosine.
It is a brightening pigment blocking peptide.
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Bev Sidders Skincare Glossary
Read about what each ingrediant includes and does for your skin.