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SNAP-8 (Acetyl Octapeptide-3)
Overview
SNAP-8 is an elongated derivative of Argireline, consisting of eight amino acids (Ac-Glu-Glu-Met-Gln-Arg-Arg-Ala-Asp-NH2) designed to further inhibit SNARE complex formation and catecholamine-mediated neurotransmitter release. By extending the peptide sequence, the molecule is hypothesized to achieve enhanced binding and greater reduction in muscle contraction intensity in facial expression zones.
Mechanism of Action
Like its hexapeptide predecessor, it is positioned as a non-invasive topical anti-wrinkle agent.
Research Summary & Key Findings
In vitro assays have demonstrated that acetyl octapeptide-3 can reduce neurotransmitter release in cell-free models at higher potency than acetyl hexapeptide-8. Manufacturer-sponsored clinical studies have reported wrinkle depth reductions of approximately 60 percent in some participants after 28 days, though independent peer-reviewed replication is absent. Standardized efficacy benchmarks and head-to-head comparisons with established treatments have not been published.
Clinical Status
SNAP-8 (Acetyl Octapeptide-3) is in the investigational stage. While preclinical and early-phase data exist, it has not received regulatory approval for clinical use in the United States.
Administration Routes
References
Primary literature
- PubMed: "SNAP-8"
Peer-reviewed literature indexed by the National Library of Medicine.
- ClinicalTrials.gov: "SNAP-8"
Registered interventional and observational studies, including status and phase.
- PubChem: "SNAP-8"
Chemical structure, molecular properties, and bioactivity data.
Study-level citations for this compound are being verified against the primary sources before publication. The database queries above return the current indexed literature in the meantime.
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View detailsNo lawful pathway today
SNAP-8 (Acetyl Octapeptide-3) is not FDA-approved and does not currently have a lawful prescription or compounding pathway in the United States, so there is nothing for us to sell you here and no consultation to book. That can change: eight peptides moved back to a lawful pathway in February 2026.
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List Your PracticeDisclaimer: This information is provided for educational and research purposes only. It is not intended as medical advice, diagnosis, or treatment. Always consult a qualified healthcare provider before starting any peptide therapy. The Peptide Association does not endorse or recommend any specific treatment protocol. See our editorial policy for how this content is produced and reviewed.