SNAP-8
UnregulatedAlso known as: Acetyl Octapeptide-3, Acetyl Glutamyl Heptapeptide-1
Cosmetic & SkinLast reviewed: April 28, 2026
A cosmetic peptide that mimics the N-terminal end of SNAP-25, a protein involved in neuromuscular signaling. By competing with SNAP-25 for a position in the SNARE complex, it reduces the intensity of muscle contractions that cause expression lines. Often called 'topical Botox' in the skincare industry, though its effects are much milder than injectable neurotoxins.
Mechanism of Action
Competes with natural SNAP-25 for binding in the SNARE complex, which is required for neurotransmitter release at the neuromuscular junction. By partially inhibiting SNARE complex formation, it reduces acetylcholine release and softens muscle contractions that create wrinkles. Works topically — no injection required.
Common Uses
- Anti-wrinkle skincare
- Expression line reduction
- Forehead and crow's feet treatment
- Anti-aging cosmetic formulations
Known Risks
- Mild skin irritation in sensitive individuals
- Effects are subtle compared to injectable treatments
- Efficacy varies significantly between formulations
- Not a replacement for Botox or dermal fillers
Regulatory Status
Not FDA-regulated as a drug. Classified as a cosmetic ingredient. Widely used in over-the-counter skincare products globally. No prescription required. Regulated under cosmetic ingredient safety standards rather than pharmaceutical standards.
Common Protocols
Protocol information is for educational reference only. Dosing varies significantly by individual, condition, and physician guidance. Always work with a licensed healthcare provider.
Topical application
Typical Dose
3–10% concentration in serum or cream
Frequency
Twice daily (morning and evening)
Cycle Length
Ongoing — results typically visible after 4–8 weeks
Apply to clean, dry skin before moisturizer. Best results on expression lines (forehead, around eyes). Often combined with other cosmetic peptides like Argireline (acetyl hexapeptide-3) and Matrixyl. Effects are cumulative and reversible upon discontinuation.
Related Compounds
Research References
This information is for educational purposes only and does not constitute medical advice. Always consult a qualified healthcare professional before starting any peptide therapy. Data is compiled from published research and regulatory sources and may not reflect the most recent developments.