Is Palmitoyl hexapeptide-12 safe?
CIR panel review: safe at current use
The Cosmetic Ingredient Review panel assessed hexapeptide-12 and its fatty acyl derivatives in 2018. It concluded they are safe at current use concentrations, which are typically very low. No specific adverse effects have been reported. The assessment covers irritation and sensitization at cosmetic concentrations. It says nothing about whether the peptide works. 2
An industry safety panel reviewed it in 2018. It found it safe at the low concentrations used in cosmetics. Short peptides rarely cause irritation. Allergic reactions are possible with any topical ingredient, but none specific to this one have been reported. 2
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Citations
- Ligorio 2025, ACS Appl Bio Mater: noninvasive monitoring of palmitoyl hexapeptide-12 in human skin layers doi.org
- Cosmetic Ingredient Review 2018, Int J Toxicol: safety assessment of tripeptide-1, hexapeptide-12, their metal salts and fatty acyl derivatives, and palmitoyl tetrapeptide-7 pure.psu.edu
- FDA: how cosmetics are not FDA-approved but are FDA-regulated fda.gov
Reference information only, not medical advice. Drawn from the Palmitoyl hexapeptide-12 article, fact-checked against the cited sources. No dosing anywhere on this site.