Palmitoyl Tripeptide-37

TL;DR. This ingredient is a lipidated peptide used as a skin-conditioning and appearance-support active, mainly in leave-on products aimed at firmness, texture, and fine-line claims. The fatty portion helps improve affinity for the skin surface compared with a plain short peptide.

What does Palmitoyl Tripeptide-37 do in a cosmetic formula?

This ingredient is a lipidated peptide used as a skin-conditioning and appearance-support active, mainly in leave-on products aimed at firmness, texture, and fine-line claims. The fatty portion helps improve affinity for the skin surface compared with a plain short peptide.

Is Palmitoyl Tripeptide-37 clean?

From a clean-beauty perspective, it is generally low-concern at typical cosmetic use levels and is not a common allergen or major restricted-list ingredient. The main caveat is that it is a highly processed synthetic active, so very strict natural standards may treat it differently from simpler plant-derived or mineral ingredients.

Is Palmitoyl Tripeptide-37 sustainable?

This material is typically made through peptide synthesis followed by fatty-acid attachment, so its footprint depends on solvent use, purification, and the source of the fatty acid, which may be palm-derived or synthetic. It is used at very low levels, but public biodegradability data for the finished molecule are limited.

Is Palmitoyl Tripeptide-37 COSMOS-approved?

This ingredient is not a straightforward COSMOS-organic fit, and conventional synthetic grades would generally need supplier documentation before any COSMOS-natural claim could be assessed. Its Green Chemistry profile is mixed, with low use levels and a biomimetic structure balanced against multi-step synthesis and solvent-intensive purification.

How does Palmitoyl Tripeptide-37 work chemically?

The molecule is an amphiphilic lipopeptide, combining a three-amino-acid sequence with a C16 fatty chain to improve skin-surface substantivity and formulation compatibility in emulsions or serums. It is normally supplied as a diluted active blend rather than used neat, and formulators typically protect peptide systems from extreme pH, strong oxidizers, and high-heat processing.

Last updated 2026-05-13