Palmitoyl Tripeptide-38 ●
TL;DR. This ingredient is a skin-conditioning signal peptide used in serums, creams, and eye products to support a smoother, firmer-looking skin appearance. Its formulation role is primarily as a bioactive cosmetic peptide rather than a preservative, emulsifier, or structural thickener.
What does Palmitoyl Tripeptide-38 do in a cosmetic formula?
This ingredient is a skin-conditioning signal peptide used in serums, creams, and eye products to support a smoother, firmer-looking skin appearance. Its formulation role is primarily as a bioactive cosmetic peptide rather than a preservative, emulsifier, or structural thickener.
Is Palmitoyl Tripeptide-38 clean?
From a clean-beauty perspective, it is generally viewed as low-irritation and not a common allergen, with no major restricted-list profile in conventional clean retail standards. The main caveat is that it is a synthetically modified peptide, so it may not fit stricter natural-only frameworks.
Is Palmitoyl Tripeptide-38 sustainable?
This material is typically made through specialty synthesis, with a fatty acid chain that may be plant-derived and a peptide portion made by controlled chemical processing. It is used at very low levels, but its manufacturing can involve solvents and purification steps that carry more sustainability complexity than simple plant oils or mineral ingredients.
Is Palmitoyl Tripeptide-38 COSMOS-approved?
This ingredient is not a strong fit for COSMOS-organic or COSMOS-natural formulas because it is a synthetic, chemically modified peptide rather than a minimally processed natural material. In Green Chemistry terms, it scores better for low-use-level performance and likely breakdown into smaller biological fragments, but less well for synthesis complexity and processing inputs.
How does Palmitoyl Tripeptide-38 work chemically?
This molecule is a lipophilic, acylated tripeptide, meaning a short three-amino-acid sequence is attached to a C16 fatty chain to improve skin affinity and formulation compatibility. It is usually added during cool-down, often through supplier premixes at about 0.5% to 2% of the finished formula, with mildly acidic to neutral pH conditions favored for peptide stability.
Last updated 2026-05-13