SNAP-8 Peptide: A Safer and Less Invasive Approach to Wrinkle Reduction  

SNAP-8 Peptide (CAS Number: 868844-74-0)

INCI Name: Acetyl Glutamyl Heptapeptide-1

 Molecular Formula: C34H60N14O12S

 Molecular Weight: 889.0 g/mol

 Amino Acid Sequence: Ac-Glu-Glu-Met-Gln-Arg-Arg-Ala-Asp-NH₂

 Synonyms: SNAP-8, SNAP-8 Solution, SNAP-8 Acetyl Octapeptide

 Chemical Modifications: N-terminal acetylation, C-terminal amidation for increased stability and reduced enzymatic degradation.

What is SNAP-8?

SNAP-8 is a next-generation cosmetic octapeptide engineered as a topical alternative to Botulinum toxin (Botox®) for the attenuation of facial expression lines and dynamic wrinkles. It is a synthetic peptide derived from SNAP-25, a key protein involved in the SNARE complex and vesicular neurotransmitter release.

Designed as a safer and less invasive approach to wrinkle reduction, SNAP-8 mimics the N-terminal end of SNAP-25 and competes with it for binding to the SNARE complex, thereby modulating neurotransmitter release at the neuromuscular junction in vitro.

Mechanism of Action

SNAP-8 functions as a SNARE complex destabilizer:

• SNARE Complex Inhibition: It inhibits the formation of the SNARE complex by mimicking the N-terminal of SNAP-25, interfering with vesicle docking and neurotransmitter release.
• Neurotransmitter Modulation: By partially blocking exocytosis, it leads to a reduced release of acetylcholine at the neuromuscular junction.
• Muscle Contraction Attenuation: This reduction in acetylcholine release limits facial muscle contraction in vitro, making it an ideal candidate for cosmetic applications related to dynamic wrinkle formation.

SNAP-8 is believed to be 30% more effective than its predecessor Argireline® (Acetyl Hexapeptide-3) according to in vitro comparisons conducted by its developer, Lipotec.

Research Summary

Key In Vitro Findings:

• BoNT-Like Activity: SNAP-8 inhibits the catecholamine release in chromaffin cells, suggesting a similar action pathway to botulinum neurotoxins but without systemic toxicity.
• Expression Line Reduction: In skin cell models, SNAP-8 significantly reduced contraction-induced tension by fibroblasts embedded in a collagen matrix—suggesting its utility in topical wrinkle-reducing applications.
• Synergistic Potential: SNAP-8 has been studied in combination with other peptides (e.g., Matrixyl® or GHK-Cu) for improved skin elasticity and anti-aging effects.

Future Research Directions

Ongoing and future investigations into SNAP-8 include:

• Extended topical stability and penetration studies using novel delivery systems such as liposomes, microneedles, or nanoparticle gels.
• Synergistic effects with antioxidants and dermal growth factors for regenerative dermatological formulations.
• Long-term safety and epigenetic influence on skin cell gene expression, particularly in keratinocytes and dermal fibroblasts.
• Modulation of neuropeptide release in models of neurogenic inflammation, potentially extending its utility beyond cosmetic science.

References & Supporting Literature

1. Blanes-Mira C. et al. (2002). A synthetic hexapeptide (Argireline) with antiwrinkle activity. Int J Cosmet Sci. https://pubmed.ncbi.nlm.nih.gov/18492135

1. Lipotec S.A. Technical Dossier on SNAP-8 (Archived internal research).  Archived Link to Technical Literature

1. Zhou B.R. et al. (2018). Peptides in Cosmetics: Status and New Developments. Clin Cosmet Investig Dermatol.  https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6047273
2. Farris, P. K. (2009). Cosmeceuticals and Cosmetic Practice. Wiley-Blackwell. 

Product Specifications

• Form: Lyophilized powder
• Purity: ≥ 98% (HPLC Verified)
• Storage: -20°C, desiccated
• Solubility: Water-soluble; best reconstituted with sterile water or buffer at pH 5.0–7.0

Disclaimer

This product is intended for research purposes only. It is not approved for human or veterinary use, nor is it intended for clinical, diagnostic, or therapeutic applications. All research must comply with applicable local laws and institutional guidelines. Misuse of this compound for human consumption is strictly prohibited.