Palmitoyl Tripeptide-1
SkincareAlso known as: Pal-GHK, Biopeptide-CL
Emerging ResearchWhat is Palmitoyl Tripeptide-1?
A collagen-boosting signal peptide most often paired with Palmitoyl Tetrapeptide-7 to form the Matrixyl 3000 complex. Popular in anti-aging formulations aimed at mature or sensitive skin.
How it works
Mimics collagen breakdown fragments (matrikines) to signal fibroblasts to synthesize new collagen I and III, triggering the skin's natural repair and renewal processes.
What marketers claim
- ▸boosts collagen as effectively as retinol
- ▸reverses deep wrinkles
- ▸immediate visible results
What evidence supports
- ✓in vitro studies show stimulation of collagen I and III production in fibroblasts
- ✓modest wrinkle reduction observed in in vivo studies over several weeks
- ✓generally well-tolerated including in sensitive skin
Best for
Safety notes & concerns
- ⚠typically well-tolerated with minimal irritation risk
- ⚠results require weeks of consistent use
- ⚠more long-term human data is still needed
- ⚠efficacy is formulation-dependent
Pairs well with
Use caution with
Products containing Palmitoyl Tripeptide-1
The Ordinary
Buffet
Best-value multi-peptide serum; stacks Matrixyl, Argireline, and multiple supporting peptides in one affordable formula
Drunk Elephant
Protini Polypeptide Cream
Premium signal peptide moisturiser beloved by dermatologists for its clean formulation and results in mature and sensitive skin
Paula's Choice
Peptide Booster
Concentrated multi-peptide booster designed to be mixed into any existing moisturiser or serum for a customisable dose of anti-aging peptides
Olay
Regenerist Micro-Sculpting Cream
Drugstore-accessible peptide moisturiser with one of the best price-to-performance ratios; backed by Olay's substantial independent clinical research programme
Peter Thomas Roth
Peptide 21 Wrinkle Resist Serum
Broad-spectrum 21-peptide complex covering signal, carrier, and neurotransmitter-inhibiting peptide classes in one mid-range serum
CeraVe
Skin Renewing Cream Serum
Most accessible peptide + ceramide formula available; developed with dermatologists and designed to strengthen the skin barrier alongside anti-aging peptides
The Ordinary
Multi-Peptide Serum for Hair Density
Budget scalp peptide serum combining three researched hair-density complexes (Procapil, REDENSYL, AnaGain) with GHK-Cu; one of the most affordable hair peptide products available
VEGAMOUR
GRO Hair Serum
Plant-based vegan hair serum combining phyto-actives and synthetic peptides; marketed for hair thinning reduction and density improvement with clinical data from brand-sponsored studies
SkinMedica
TNS Advanced+ Serum
The most clinically referenced physician-dispensed growth factor + peptide serum; SkinMedica's flagship product with extensive dermatologist recommendations and independent peer-reviewed publications
Last updated: 2025-03-01
Medical Disclaimer
The information on this site is for educational and informational purposes only. It is not intended as medical advice and should not be used to diagnose, treat, or prevent any condition. Always consult with a qualified healthcare professional before starting any new supplement, peptide, or treatment protocol.