Palmitoyl Tetrapeptide-7 vs Silk Peptides
A side-by-side research comparison of Palmitoyl Tetrapeptide-7 and Silk Peptides across mechanism, dosing, half-life, benefits, side effects and research status.
Comparison table
| Attribute | Palmitoyl Tetrapeptide-7 | Silk Peptides |
|---|---|---|
| Full name | Palmitoyl Tetrapeptide-7 (Pal-GQPR) | Hydrolyzed Silk Fibroin Peptides |
| Category | Skin & Anti-Aging | Skin & Anti-Aging |
| Status | Research compound | Research compound |
| Mechanism | Inhibits IL-6 release from keratinocytes and reduces inflammation-mediated MMP activation, preserving existing collagen while complementing Pal-GHK collagen building. | 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 | 693 Da | 500-2,000 Da |
| Half-life | 8-12 hours (topical) | 3-5 hours |
| Bioavailability | Good (topical) | Moderate (topical/oral) |
| Typical dose | 2-4% in formulation | 1-5% topical or 2-5g oral |
| Frequency | 1-2x daily | Daily |
| Route | Topical | Topical or Oral |
Palmitoyl Tetrapeptide-7 reported benefits
- Anti-inflammatory (skin)
- Reduces IL-6
- Prevents collagen degradation
- Combats inflammaging
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.