SNAP-8 (200mg)

Description

SNAP-8 Peptide: Mechanism, Research, and Anti-Wrinkle Benefits

SNAP-8, also called Acetyl Glutamyl Heptapeptide-3 or Acetyl octapeptide-3, is a synthetic octapeptide. Its sequence—Ac-Glu-Glu-Met-Gln-Arg-Arg-Ala-Asp-NH2—is acetylated at the N-terminus and amidated at the C-terminus. Researchers designed SNAP-8 to mimic the N-terminal end of SNAP-25, a protein essential for neurotransmitter release at nerve endings.

SNAP-25 normally interacts with vesicle-associated proteins, such as Synaptotagmin 1 (Syt1), to regulate neurotransmitter release in response to calcium ions. SNAP-8 competes with SNAP-25, binding at the C2A–C2B interface of Syt1. This binding may interfere with the SNARE complex, a protein assembly responsible for vesicle docking and neurotransmitter release. By modulating the SNARE complex, SNAP-8 can reduce acetylcholine release, potentially decreasing localized muscle contractions and reducing wrinkle formation.

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Chemical Composition of SNAP-8

• Molecular Formula: C₄₁H₇₀N₁₆O₆S

• Molecular Weight: 1075.16 g/mol

• Other Names: Acetyl Glutamyl Heptapeptide-3, Synaptosomal-associated protein 8, Acetyl octapeptide-3

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Research and Clinical Insights

SNAP-8 Peptide and Wrinkle Reduction

A 2021 double-blind, randomized clinical trial tested 55 participants across Fitzpatrick skin types I–VI. Participants applied a SNAP-8 serum or control compound twice daily for 12 weeks. Results showed visible line reduction 15 minutes after application and significant skin improvement after 12 weeks, demonstrating both short- and long-term effects.

Earlier research on the similar Argireline peptide supports these findings. In a 2013 study with 60 participants, 45 used the peptide daily for four weeks. Researchers observed nearly a 49% reduction in lines and improved skin smoothness. Both subjective and objective measurements indicated significant wrinkle improvement, while the placebo group showed no change.

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SNAP-8 Peptide and Skin Topography

SNAP-8 has also been studied in oil-in-water emulsions to evaluate its stability and topical efficacy. When incorporated at 10% concentration, the peptide reduced wrinkle depth and appearance by approximately 30% over one month. Researchers suggest that SNAP-8 may mimic botulinum neurotoxin activity, helping relax facial muscles and improve skin texture.

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SNAP-8 Peptide and SNARE Protein Modulation

By targeting the SNARE protein complex, SNAP-8 may reduce the release of excitatory neurotransmitters such as glutamate by up to 43%. Clinical studies report wrinkle reduction ranging from 35% to 62%, demonstrating its potential to smooth expression lines and improve skin topography effectively.

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References

1. Lim SH, Sun Y, Thiruvallur Madanagopal T, Rosa V, Kang L. Enhanced Skin Permeation of Anti-wrinkle Peptides via Molecular Modification. Sci Rep. 2018 Jan 25;8(1):1596. doi: 10.1038/s41598-017-18454-z. Erratum in: Sci Rep. 2018 Apr 20;8(1):6500. PMID: 29371611; PMCID: PMC5785486. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5785486/
2. National Center for Biotechnology Information (2023). PubChem Compound Summary for CID 86080331, SNAP-8(Acetyl Glutamyl Heptapeptide-3). from https://pubchem.ncbi.nlm.nih.gov/compound/SNAP-8_Acetyl-Glutamyl-Heptapeptide-3
3. Nguyen TQ, Zahr AS, Kononov T, Ablon G. A Randomized, Double-blind, Placebo-controlled Clinical Study Investigating the Efficacy and Tolerability of a Peptide Serum Targeting Expression Lines. J Clin Aesthet Dermatol. 2021 May;14(5):14-21. Epub 2021 May 1. PMID: 34188744; PMCID: PMC8211334. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8211334/
4. Wang Y, Wang M, Xiao S, Pan P, Li P, Huo J. The anti-wrinkle efficacy of argireline, a synthetic hexapeptide, in Chinese subjects: a randomized, placebo-controlled study. Am J Clin Dermatol. 2013 Apr;14(2):147-53. doi: 10.1007/s40257-013-0009-9. PMID: 23417317. https://pubmed.ncbi.nlm.nih.gov/23417317/