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Pentapeptide-37

A hair conditioning, skin protecting peptide ingredient listed in EU cosmetic databases—often used in repair & firmness formulas.

Pentapeptide-37 illustration
Reading ingredients on a skincare label

Spotted this on a label?

Pentapeptide-37

That’s the INCI name—the official way it appears on the back of your serum or cream. Same ingredient, different marketing names.

Structure (cute edition)

Simplified amino acid chain for Pentapeptide-37

Pentapeptide-37 is the synthetic peptide consisting of glycine, proline and valine.

INCI: PENTAPEPTIDE-37 · ~5 amino acids in our simplified view

Research & public records

Counts and links from public databases (PubMed, ClinicalTrials.gov, Wikidata, NIH drug nomenclature). Educational only — not medical advice.

ChEMBL: CHEMBL1159980

What brands say it does

Pentapeptide-37 EU CosIng describes it as: Pentapeptide-37 is the synthetic peptide consisting of glycine, proline and valine.. In skin care it is typically a supporting active—meant to complement hydrators and antioxidants rather than work alone.

Where you’ll find it

Recovery serums, post-treatment creams, and premium anti-aging formulas. Look for Pentapeptide-37 on the INCI list.

Other names you might see

Pentapeptide-37

Where to buy

Real purchase links from Sephora, Ulta, Target, and Amazon — tap a product to check price and buy.

Pro-Collagen Peptide Plumping Gel-Cream Moisturizer
Paula's Choice

Pro-Collagen Peptide Plumping Gel-Cream Moisturizer

$49.00 · ★ 4.4861

Shop at Sephora →

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Educational only—not medical advice. Results vary; talk to a dermatologist for personal recommendations.