Peptide Graded

Palmitoyl tripeptide-38

Is Palmitoyl tripeptide-38 safe?

Well tolerated, little data

CAnimal and cell studiesCosmetic ingredientas of 2026-10-26

Women tolerated the serum well in the two-month study. Finished products hold the peptide at very low concentration. No specific adverse reactions have been reported. The lack of reports reflects limited study as much as safety. 12

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More on Palmitoyl tripeptide-38

Citations

  1. Lintner 2020, J Cosmet Dermatol: a serum containing vitamins C and E and a matrix-repair tripeptide improves photoaged skin, open-label study doi.org
  2. FDA: how cosmetics are not FDA-approved but are FDA-regulated fda.gov

Reference information only, not medical advice. Drawn from the Palmitoyl tripeptide-38 article, fact-checked against the cited sources. No dosing anywhere on this site.