Is Hexapeptide-9 legal in the US?
No prescription; it is a cosmetic ingredient.
CAnimal and cell studiesCosmetic ingredientas of 2026-10-26
Hexapeptide-9 is a cosmetic ingredient. Cosmetics do not go through FDA drug approval, so it has no approved indication and makes no drug claims; it is listed under its INCI name in skincare formulations. 2
It is a cosmetic ingredient, and cosmetics need no FDA approval before sale. Products with it may not claim to treat or prevent disease. 2
Read the full Hexapeptide-9 page
More on Hexapeptide-9
Citations
- Ashland: Collaxyl biofunctional (hexapeptide-9) product page ashland.com
- SpecialChem: hexapeptide-9 INCI ingredient entry specialchem.com
- Chang 2025, Journal of Cosmetic Dermatology: cyclised hexapeptide-9 versus retinol, randomised double-blind trial doi.org
- Wang 2025, Materials Today Bio: ionic liquid (GALA) for transdermal delivery of hexapeptide-9, lab, mouse and small clinical tests doi.org
Reference information only, not medical advice. Drawn from the Hexapeptide-9 article, fact-checked against the cited sources. No dosing anywhere on this site.