This document provides detailed information on the research peptide Oligopeptide-20 (Human).
IUPAC Name: (2S)-1-[(2S)-6-amino-2-[[(2S)-2-[[(2S)-1-[(2S)-2-[[(2R)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-amino-5-(diaminomethylideneamino)pentanoyl]amino]-5-(diaminomethylideneamino)pentanoyl]amino]-4-methylpentanoyl]amino]-4-carboxybutanoyl]amino]-4-methylsulfanylbutanoyl]amino]-3-(4-hydroxyphenyl)propanoyl]amino]-3-sulfanylpropanoyl]amino]propanoyl]pyrrolidine-2-carbonyl]amino]-4-methylpentanoyl]amino]hexanoyl]pyrrolidine-2-carboxylic acid
SMILES: C[C@@H](C(=O)N1CCC[C@H]1C(=O)N[C@@H](CC(C)C)C(=O)N[C@@H](CCCCN)C(=O)N2CCC[C@H]2C(=O)O)NC(=O)[C@H](CS)NC(=O)[C@H](CC3=CC=C(C=C3)O)NC(=O)[C@H](CCSC)NC(=O)[C@H](CCC(=O)O)NC(=O)[C@H](CC(C)C)NC(=O)[C@H](CCCN=C(N)N)NC(=O)[C@H](CCCN=C(N)N)N
InChIKey: NZGHUDGEFVXNSR-KILGZPTDSA-N
InChI: InChI=1S/C65H109N19O16S2/c1-35(2)31-45(79-53(89)41(15-10-27-73-65(70)71)75-52(88)40(67)13-9-26-72-64(68)69)56(92)76-42(22-23-51(86)87)54(90)77-43(24-30-102-6)55(91)80-47(33-38-18-20-39(85)21-19-38)58(94)82-48(34-101)59(95)74-37(5)61(97)83-28-11-16-49(83)60(96)81-46(32-36(3)4)57(93)78-44(14-7-8-25-66)62(98)84-29-12-17-50(84)63(99)100/h18-21,35-37,40-50,85,101H,7-17,22-34,66-67H2,1-6H3,(H,74,95)(H,75,88)(H,76,92)(H,77,90)(H,78,93)(H,79,89)(H,80,91)(H,81,96)(H,82,94)(H,86,87)(H,99,100)(H4,68,69,72)(H4,70,71,73)/t37-,40-,41-,42-,43-,44-,45-,46-,47-,48-,49-,50-/m0/s1
Oligopeptide-20 (Human) is a biomimetic peptide modeled after naturally occurring human growth-factor fragments, designed to support visible skin renewal, firmness, and rejuvenation. By enhancing cellular communication, it helps promote healthier epidermal turnover, improved elasticity, and a smoother overall texture. In cosmetic research, Oligopeptide-20 is valued for reducing the appearance of fine lines, brightening dull skin, and strengthening the skin’s barrier for enhanced resilience. Its low molecular weight and excellent solubility allow efficient incorporation into serums, ampoules, and advanced anti-aging treatments aimed at restoring a youthful, vibrant complexion.
Human Oligopeptide-20 is a synthetic, human-identical peptide designed to mimic key regions of tissue inhibitor of metalloproteinases-2 (TIMP-2), a natural protein that protects the skin’s extracellular matrix (ECM) from enzymatic degradation. In cosmetics, it is typically labeled as Human Oligopeptide-20 (TIMP2) and positioned as a high-end anti-aging and photo-protection active.
TIMP-2 is one of the body’s major endogenous inhibitors of matrix metalloproteinases (MMPs) – enzymes such as MMP-1, MMP-2 and MMP-9 that break down collagen, elastin and other ECM components. Human Oligopeptide-20 takes this biology and miniaturizes it into a short peptide suitable for topical use, focusing on collagen protection, UV defense and long-term firmness.
The core scientific story around Human Oligopeptide-20 is MMP control.
Within the usual cosmetic peptide families, Human Oligopeptide-20 sits in the niche of MMP-inhibiting / ECM-protective peptides, human-identical or biomimetic peptides (modeled on human proteins rather than plant or marine sources), and photoaging-focused actives. This differentiates it from classic collagen-signal peptides (which focus on synthesis) and from HA-boosting peptides (which focus on glycosaminoglycans). Human Oligopeptide-20’s value proposition is: “Don’t just build more collagen – protect what you already have.” That makes it especially attractive for sun-exposed areas (face, neck, décolleté, hands) and for formulas marketed as daily anti-aging + environmental defense.
Most data available today are from supplier studies and patents, not large independent clinical trials, but they show a consistent picture:
Human Oligopeptide-20 is produced synthetically at high purity for cosmetic use and appears in raw-material catalogs as a stable, water-soluble white powder. It is used at low concentrations in leave-on formulations and is intended strictly for cosmetic, non-therapeutic purposes. Standard supplier documentation describes good stability under normal cosmetic storage conditions, water solubility suitable for serums, gels and emulsions, and a safety profile consistent with other small cosmetic peptides when used at recommended levels (typically low peptide percentages in the finished product). As always, products should be framed as improving the appearance of firmness, wrinkles and photo-damage, not treating disease.