Palmitoyl Hexapeptide-12
A palmitoylated conditioning peptide commonly paired with Matrixyl in multi-peptide serums, studied for the appearance of smoother, firmer skin. It is sold under the trade name Biopeptide CL and is generally positioned as a companion active rather than a headline ingredient, showing up alongside other palmitoyl peptides in layered anti-aging formulas. Like other palmitoylated peptides, the fatty-acid tail is meant to help it move into the upper skin layers, where it is studied for supporting the look of a more resilient surface.
Studied for
- ·The appearance of smoothness and firmness
- ·The look of a more resilient, supported-looking surface
- ·Supporting the appearance of a more conditioned-looking complexion
How it’s thought to work
A palmitoylated peptide studied for association with the appearance of improved skin condition; palmitoylation aids penetration by making the peptide fragment more compatible with the skin’s lipid barrier. It is often formulated as part of a peptide complex rather than alone, so much of the supporting evidence looks at blended formulas rather than isolating this peptide’s individual contribution.
In lab tests on donated human skin, this peptide interacted with skin components and supported barrier structure, pointing to potential skincare benefits.
Noninvasive Monitoring of Palmitoyl Hexapeptide-12 in Human Skin Layers: Mechanical Interaction with Skin Components and Its Potential Skincare Benefits. ACS Applied Bio Materials, 2025.
View on PubMed (PMID 39964201) ↗Questions
- What is Biopeptide CL?
- It is the trade name for Palmitoyl Hexapeptide-12, a signal peptide often paired with Matrixyl-style blends in multi-peptide serums and studied for the appearance of smoother, firmer-looking skin.
- Does it work better paired with other peptides?
- Most of the formulas it appears in combine it with Matrixyl 3000 or similar peptides rather than using it alone, so it is generally treated as part of a supporting peptide stack rather than a standalone active.