Dermatology · Investigational
SNAP-8 (Acetyl Octapeptide-3)
No lawful US pathway
01 · Overview
SNAP-8 is an elongated derivative of Argireline, consisting of eight amino acids (Ac-Glu-Glu-Met-Gln-Arg-Arg-Ala-Asp-NH2) intended to mimic the SNAP-25 fragment that interferes with SNARE complex formation and neurotransmitter release. Argireline, the parent hexapeptide, inhibited neurotransmitter release in laboratory studies with much lower efficacy than botulinum toxin (PMID 18498523).
The longer sequence is claimed by its supplier to bind more effectively, but no independent peer-reviewed study has confirmed greater potency. Like its hexapeptide predecessor, it is positioned as a non-invasive topical anti-wrinkle agent.
02 · Research summary & key findings
No independent peer-reviewed in vitro studies comparing acetyl octapeptide-3 with acetyl hexapeptide-8 were found. Published clinical data involve microneedle patches combining the peptide with other actives: in a 24-person split-face study, a hyaluronic acid microneedle patch containing acetyl octapeptide-3 and vitamin C derivatives improved eye wrinkles versus a placebo patch over 28 days (PMID 39082657), and a 12-week uncontrolled study of a patch with several peptides reported about a 26 percent decrease in fine lines and wrinkles (PMID 31134751). The peptide's own contribution cannot be separated, and the manufacturer's reported 60 percent wrinkle reduction has not been independently replicated.
03 · Regulatory 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.
No 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 we do not sell it and will not book a consultation for it. That can change: in 2026 FDA began reviewing several peptides for compounding. If you are working on the goal it is studied for, a licensed clinician can tell you what is lawfully available, which may be something else.
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SNAP-8 (Acetyl Octapeptide-3) is an investigational compound, is not FDA-approved, and has no lawful US compounding pathway, so we do not offer it and no clinician we work with will prescribe it. Products sold online as “research chemicals” are not made or tested to the standards required of medicines. If you are working on longevity and healthy ageing, a licensed clinician can tell you at a free consultation whether an FDA-approved or lawfully compounded treatment fits you, or whether nothing does.
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04 · Administration routes
- Topical
References
- [1]A synthetic hexapeptide (Argireline) with antiwrinkle activity Int J Cosmet Sci, 2002. PMID 18498523
- [2]Efficacy of bioactive peptides loaded on hyaluronic acid microneedle patches: A monocentric clinical study J Cosmet Dermatol, 2020. PMID 31134751
- [3]Clinical Safety and Efficacy Evaluation of a Dissolving Microneedle Patch Having Dual Anti-Wrinkle Effects With Safe and Long-Term Activities Ann Dermatol, 2024. PMID 39082657
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.
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Disclaimer: 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. Clinicians: join the network.