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| Field | Last updated |
|---|---|
| Aliases | Acetyl Octapeptide-3, Acetyl Octapeptide-1, Argireline extension |
| Category | Skin & Hair |
| Formula | C₅₀H₈₂N₁₈O₁₅ |
| Molecular weight | 1175.3 Da |
| Half-life | topical (negligible systemic absorption) |
| Mechanism (summary) | SNAP-8 (acetyl octapeptide-3) is an eight-amino-acid extension of Argireline, marketed as a topical cosmetic anti-wrinkle peptide. It is not an approved therapeutic drug. The proposed mechanism is interference with SNARE-complex assembly at the neuromuscular junction, conceptually mirroring botulinum-toxin biology at a much weaker, topical scale. |
| Dosing notes | No approved medical dosing. Use is topical cosmetic only. The accessible public sources did not establish a single universal formulation percentage. |
| Storage |
Supplier guidance varies. One source lists long-term storage at 2–8 °C; another lists -20 °C. Finished-product or supplier-specific instructions should govern storage for a given material. |
| Read more | Full reference → |
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