Research At a Glance
- Research Category
- Dermal & Neuromuscular Signaling Research
- Peptide Length
- 8 amino acids (acetyl octapeptide-3)
- Purity
- ≥ 98% (HPLC)
- Published Studies
- Emerging (<25 indexed)
- Storage
- Lyophilized: 2–8 °C, protected from light. Reconstituted: 2–8 °C, use within 30 days.
Published-study figures are approximate PubMed result counts and indicate the volume of available literature only. Purity reflects third-party analytical testing on the corresponding lot; see the Quality Assurance Center for lot-matched certificates.
What Is SNAP-8?
SNAP-8 (Acetyl Octapeptide-3) is a synthetic eight-amino-acid peptide designed to mimic a segment of SNAP-25, a key protein in the SNARE complex — the molecular machinery cells use to drive vesicle fusion with membranes. SNAP-8 was developed as an extension of Argireline (Acetyl Hexapeptide-8), adding two amino acids in an effort to improve interaction with the SNARE complex.
Why Researchers Study It
- SNARE complex mechanism research — SNAP-8 is studied as a competitive inhibitor of SNARE complex assembly, providing researchers a tool to investigate vesicle fusion and neurotransmitter release mechanisms
- Neuromuscular signaling research — by mimicking the N-terminal region of SNAP-25, SNAP-8 is studied for its interference with acetylcholine release at the neuromuscular junction
- Cosmetic peptide science — SNAP-8 is a reference compound in topical formulation research, with studies examining measurable endpoints such as dynamic wrinkle depth and skin surface topography
- Comparative peptide research — frequently studied alongside its parent compound Argireline to examine how the two additional amino acids affect SNARE-complex binding competition and downstream efficacy
What the Published Literature Shows
Cosmetic peptide science literature describes SNAP-8 as a SNAP-25 mimetic acting as a competitive inhibitor within the SNARE system, with research linking this mechanism to measurable changes in dynamic wrinkle appearance in topical formulation studies. Researchers have characterized SNAP-8's action as distinct from — though conceptually related to — botulinum toxin: both influence acetylcholine release at the neuromuscular junction, but SNAP-8 is not a neurotoxin, and its studied effects in the literature are described as localized, reversible, and non-paralytic.
Research on SNAP-8 has been conducted primarily in vitro and in topical/dermal models rather than systemic research contexts, distinguishing its research applications from injectable or systemic peptide classes. Reviewers in the cosmetic peptide field have noted that clinical-style efficacy data for this peptide class is largely manufacturer-funded, and have called for continued independent research to validate reported effect sizes.
Source
Review literature available via PubMed — SNAP-25 SNARE complex peptide research .
Compound Specifications
| Classification | Synthetic octapeptide, SNAP-25 mimetic |
|---|---|
| Amino acid length | 8 |
| Format | Lyophilized powder |
| Purity | ≥99% (HPLC-verified per lot) |
| Storage | −20°C; refrigerate 2–8°C after laboratory handling |
Certificate of Analysis
Every lot is independently tested and lot-matched. View Certificates of Analysis