Leuphasyl vs Matrixyl Synthe'6
Head-to-head comparison of Leuphasyl (Pentapeptide-18) and Matrixyl Synthe'6 (Palmitoyl Tripeptide-38) — benefits, dosing, side effects, research data, and where to buy.
Research Score
| Property | Leuphasyl | Matrixyl Synthe'6 |
|---|---|---|
| Category | Skin & Cosmetic | Skin & Cosmetic |
| Full Name | Pentapeptide-18 | Palmitoyl Tripeptide-38 |
| Molecular Weight | 569.6 Da | 675.9 Da |
| Half-Life | N/A | N/A |
| Amino Acids | 5 | 3 |
| Typical Dose | 0.01-2% in cosmetic formulations | 0.1-2% in finished skincare products |
| Route | Topical | Topical |
| Purity | ≥98% | ≥98% |
| Studies Count | 22 | 16 |
| Research Status | Clinical | Pre-clinical |
Leuphasyl Benefits
- ✓wrinkle-appearance reduction
- ✓expression-line softening
- ✓topical anti-aging support
- ✓cosmetic skin-smoothing
Matrixyl Synthe'6 Benefits
- ✓collagen-supportive skincare
- ✓fine-line appearance reduction
- ✓skin-firming support
- ✓matrix-support formula ingredient
Leuphasyl Dosing
Topical serum/cream 0.01-2%|Apply once or twice daily|Combine with moisturizer or peptide serum
Matrixyl Synthe'6 Dosing
Topical serum/cream 0.1-2%|Apply 1-2x daily|Best used in long-term routines
Leuphasyl Side Effects
- ⚠temporary redness
- ⚠mild irritation
- ⚠sensitivity in compromised skin
Matrixyl Synthe'6 Side Effects
- ⚠mild irritation
- ⚠clogging in heavy formulas
- ⚠rare sensitivity to fatty vehicles
Research Overview
Leuphasyl
Pentapeptide-18 has published cosmetic and formulation literature supporting its use in anti-aging skincare. Evidence is strongest for topical cosmetic smoothing rather than deep structural remodeling.
Matrixyl Synthe'6
Palmitoyl tripeptide-38 has a mix of published cosmetic research and formulation data suggesting benefits for skin appearance and matrix-support signaling. Its practical use is as a topical anti-aging ingredient in combination with hydrators and barrier-support agents.
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