PEPTIDE
Verified Peptide ReviewLast reviewed: 11 April 2026

Compound Profile · Skin

Matrixyl

Matrixyl (palmitoyl pentapeptide) is a lipid-conjugated peptide studied topically for collagen synthesis and skin firmness.

LegalResearch onlyEvidenceModerateHuman useNot approved
7.6/ 10

Peptide Score

Evidence

7.2

Safety

8.0

Regulatory

7.6

Transparency

7.6

Quick verdict

Widely researched cosmetic peptide with plausible collagen-stimulating mechanism. Clinical benefit is modest.

Reality check

What this isn't

  • Not approved for human use — research-only context
  • No regulator has approved human use
  • Moderate evidence — replication still building
  • Side-effect profile not fully characterised
  • Educational only — not medical advice

Deep dive

Full Matrixyl review

A palmitoyl-conjugated pentapeptide derivative.

Studied topically for collagen and extracellular matrix effects.

CompareResearch-gradeSafety