Matrixyl vs Silk Peptides
A side-by-side research comparison of Matrixyl and Silk Peptides across mechanism, dosing, half-life, benefits, side effects and research status.
Comparison table
| Attribute | Matrixyl | Silk Peptides |
|---|---|---|
| Full name | Matrixyl (Palmitoyl Pentapeptide-4 / Pal-KTTKS) | Hydrolyzed Silk Fibroin Peptides |
| Category | Skin & Anti-Aging | Skin & Anti-Aging |
| Status | Research compound | Research compound |
| Mechanism | Signals through TGF-B pathway to stimulate fibroblast production of collagen I, III, IV, fibronectin, and hyaluronic acid. Palmitoyl chain enhances penetration. | Form hydrogen-bonded films on skin for moisture retention. Absorbed peptides provide substrates for keratin/collagen synthesis. Exhibit antioxidant and tyrosinase-inhibiting activity. |
| Molecular weight | 802.1 Da | 500-2,000 Da |
| Half-life | 6-12 hours (topical depot) | 3-5 hours |
| Bioavailability | Moderate (topical) | Moderate (topical/oral) |
| Typical dose | 2-8% in serum/cream | 1-5% topical or 2-5g oral |
| Frequency | 1-2x daily | Daily |
| Route | Topical | Topical or Oral |
Matrixyl reported benefits
- Stimulates collagen I, III, IV
- Reduces wrinkle depth up to 45%
- Increases skin thickness
- Improves firmness
- Enhances hydration
Silk Peptides reported benefits
- Intense hydration
- Moisture barrier support
- Skin smoothing
- Antioxidant activity
- Brightening effects
Related comparisons
Research and educational reference only. Not medical advice.