SNAP-8

Research Reagent · Laboratory Use Only

How does SNAP-8 work as a topical anti-wrinkle peptide?

SNAP-8 (Acetyl Octapeptide-3) is a synthetic peptide derived from the SNAP-25 protein involved in neurotransmitter release. Applied topically, it competes with SNAP-25 in the SNARE complex, reducing acetylcholine release at facial neuromuscular junctions and attenuating expression-line contraction.

Scientific AbstractPMID 12648022 · 2002

SNAP-8 (Acetyl Octapeptide-3) is a synthetic octapeptide derived from the N-terminal sequence of SNAP-25, the SNARE-complex protein required for neuronal exocytosis at the neuromuscular junction. In topical cosmetic formulations, SNAP-8 competes with SNAP-25 for its position in the SNARE complex, destabilizing the complex and reducing acetylcholine release at facial muscle endplates. This produces a localized reduction in muscle contraction that visually attenuates expression lines without the systemic effects or invasive administration of botulinum toxin.

Mechanistic Research SummaryCurated from PubMed

This data is for laboratory research purposes only. Not for human or animal consumption.

What is SNAP-8?

SNAP-8 (Acetyl Octapeptide-3) is a cosmetic peptide designed to topically reduce expression wrinkles through a mechanism analogous to — but molecularly distinct from — botulinum toxin.

Mechanism of Action

SNAP-8 is a fragment of SNAP-25, a protein essential for the SNARE complex that controls neurotransmitter vesicle fusion at neuromuscular junctions. By competing with native SNAP-25, SNAP-8 destabilizes SNARE assembly and reduces acetylcholine release at facial muscle endplates.

Observed Laboratory Results

  • Reduction of muscle contraction at facial expression sites in topical formulations
  • Wrinkle depth reduction measured by skin profilometry in human volunteer studies
  • No systemic absorption with topical application
  • Slower onset and milder effect than injectable botulinum products
Clinical Research ParametersHuman Study Registry

No registered clinical trials or indexed human study data currently available for SNAP-8 via ClinicalTrials.gov or PubMed. This compound may be at preclinical or early research stages.

All data presented on this page is for laboratory research purposes only. SNAP-8 is referenced here as a research reagent. This page does not constitute medical advice, clinical guidance, or endorsement of any compound for human or animal use. All referenced studies are available via PubMed (PMID: 12648022) and the DOI-linked journal publication. Researchers must consult applicable institutional and regulatory frameworks before conducting any protocols.