Palmitoyl Pentapeptide-4 vs Palmitoyl Tripeptide-1
A side-by-side research comparison of Palmitoyl Pentapeptide-4 and Palmitoyl Tripeptide-1 across mechanism, dosing, half-life, benefits, side effects and research status.
Comparison table
| Attribute | Palmitoyl Pentapeptide-4 | Palmitoyl Tripeptide-1 |
|---|---|---|
| Full name | Palmitoyl Pentapeptide-4 (Matrixyl Original) | Palmitoyl Tripeptide-1 (Pal-GHK) |
| Category | Skin & Anti-Aging | Skin & Anti-Aging |
| Status | Research compound | Research compound |
| Mechanism | Mimics collagen breakdown products (matrikines) that signal fibroblasts to produce new collagen matrix components including types I, III, and IV collagen. | Functions as matrikine signal, mimicking collagen fragments that trigger fibroblasts to produce new collagen. Palmitoyl enables deeper skin penetration. |
| Molecular weight | 802.05 Da | 578.8 Da |
| Half-life | N/A (topical depot effect) | 8-12 hours (topical) |
| Bioavailability | Topical: ~8-12% penetration | Good (topical with lipid modification) |
| Typical dose | 2-8% in formulation | 2-5% in formulation |
| Frequency | 2x daily | 1-2x daily |
| Route | Topical serum or cream | Topical |
Palmitoyl Pentapeptide-4 reported benefits
- Proven collagen stimulation
- Wrinkle depth reduction
- Improved skin firmness
- Well-tolerated
Palmitoyl Tripeptide-1 reported benefits
- Collagen synthesis stimulation
- Matrix remodeling
- Wrinkle reduction
- Skin thickness increase
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Research and educational reference only. Not medical advice.