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SNAP-8
SNAP-8 (Acetyl Octapeptide-3) competitively inhibits SNARE complex assembly by mimicking SNAP-25 N-terminus, reducing neuromuscular exocytosis.
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Research peptides at >99% HPLC-verified purity, third-party tested by Janoshik Analytical & Freedom Diagnostics, with Certificates of Analysis published per released batch. Supplied strictly for laboratory research use.
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Research use only - all claims made on this site are for testing and research use only. Purchasers must be 21 years of age or older.
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SNAP-8
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Buy the 10-pack - save 67%/mg
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Lab-direct quality — full packs or single-vial samples
Every batch ships straight from the lab that synthesises it — sealed, tamper-evident, and HPLC-verified to >99% purity . Buying direct means you pay the lab-direct rate on every vial, with nothing stacked on top.
Order a sealed 10-vial research pack , or add a single-vial laboratory sample alongside your pack to evaluate a compound at smaller scale first. Same lab, same batch, same verified purity — scaled to whatever your research needs.
What It's Researched For
In plain terms, SNAP-8 is studied as a topical skincare peptide for softening expression lines. Here is what that looks like across the research.
Wrinkle & expression-line research
In topical skin studies it is investigated for reducing the depth of expression lines over weeks of twice-daily use.
Gentle muscle-relaxing approach
Studied for easing the tiny repeated muscle movements that etch lines into skin, working in a mild, fully reversible way.
Needle-free alternative research
Researched as a topical, no-injection option compared with stronger injectable wrinkle treatments.
Anti-ageing formula blends
Cosmetic research often pairs it with other skin peptides to study combined smoothing and firming effects.
Overview
In short: SNAP-8 (Acetyl Octapeptide-3) is an extended eight-amino-acid analog of Argireline that provides roughly 30% greater SNARE inhibition for topical expression-line research, reaching up to 63% wrinkle depth reduction at 10% formulation in clinical studies.
Key research facts
These points summarise lab themes, not human outcomes.
SNAP-8 is an eight-amino-acid peptide from Lipotec (now Lubrizol) that builds on the Argireline concept. Where Argireline is a six-residue hexapeptide mimic of the SNAP-25 N-terminus, SNAP-8 adds two more residues (Ala-Asp) at the C-terminus. Those extra residues give it roughly 30% greater SNARE inhibitory activity in comparative assays.
The mechanism is the same as Argireline: SNAP-8 competes with natural SNAP-25 for binding to the SNARE complex that muscles need to release acetylcholine. By destabilising that complex, it reduces vesicle fusion at the neuromuscular junction and softens the tiny repetitive contractions that etch expression lines into skin over time.
SNAP-8 is widely used in topical anti-aging formulations as a standalone active and as a stack partner for Argireline, Matrixyl, and copper peptides. Supplied here as sterile lyophilised powder for cosmetic research and formulation work.
Mechanism of Action
SNAP-8 mimics an extended SNAP-25 fragment, blocking SNARE complex assembly more effectively than Argireline and gently reducing the muscle contractions that create dynamic wrinkles.
Clinical studies at 10% SNAP-8 concentration reported up to 63% wrinkle depth reduction over 28 days of twice-daily application - higher than comparable Argireline results at similar concentrations. The hydrophilic peptide (MW 1075.24 Da) has limited passive stratum corneum permeation, so dissolving microneedle delivery can improve penetration up to 40-fold versus passive application. The mechanism is reversible because it is based on competitive binding rather than proteolytic cleavage.
Common Questions People Are Asking
What is SNAP-8 and how does it work?
SNAP-8 (INCI name Acetyl Octapeptide-3, Ac-EEMQRRAD-NH₂) is an eight-amino-acid topical cosmetic peptide that mimics the N-terminus of the protein SNAP-25. By competing with native SNAP-25 during SNARE-complex assembly, it gently and reversibly reduces acetylcholine release at the neuromuscular junction, softening the repeated micro-contractions that etch dynamic expression lines into skin. New-U supplies it for laboratory and cosmetic-formulation research.
Does SNAP-8 actually work, and what does the research show?
The mechanism (competitive SNARE inhibition) is well described, and SNAP-8 is a popular cosmetic active. The headline numbers - about 30% stronger SNARE inhibition than Argireline and up to 63% wrinkle-depth reduction at 10% over 28 days - come mainly from the manufacturer's own efficacy testing rather than large independent peer-reviewed trials, so treat them as sponsor-reported. Peer-reviewed literature specific to SNAP-8 is thin compared with injectable neuromodulators.
How is SNAP-8 different from Argireline?
Same mechanism, slightly longer peptide. Argireline is a six-residue hexapeptide (Ac-EEMQRR-NH₂); SNAP-8 is the same sequence with two extra residues (Ala-Asp) added at the C-terminus. The extra residues extend the binding interface for competitive SNARE inhibition, which the manufacturer associates with roughly 30% greater SNARE blockade in comparative assays.
How is SNAP-8 used, and what concentration appears in studies?
It is a topical-only active - it is not formulated or intended for injection. Cosmetic studies describe use levels around 3-10% in a finished leave-on formulation, applied twice daily, with effects that build cumulatively over a multi-week course. Because the peptide is hydrophilic, stratum-corneum penetration is the main limitation, so penetration enhancers, liposomes or microneedle delivery are studied to improve uptake. This is descriptive formulation context, not a usage recommendation.
How does SNAP-8 compare with Matrixyl and copper peptides?
They work on different pathways and are frequently combined rather than substituted. SNAP-8 (like Argireline) targets muscle-driven dynamic lines via the SNARE pathway, while Matrixyl (a signal peptide) and copper peptides (GHK-Cu) target collagen synthesis and extracellular-matrix remodelling. A multi-pathway formulation pairs a SNARE peptide with a collagen-signalling peptide to address both wrinkle types.
Is SNAP-8 a "topical Botox"?
Not really. Both SNAP-8 and botulinum toxin converge on the SNARE complex, but the mechanisms are very different. Botulinum toxin is an enzyme that cleaves SNAP-25 irreversibly; SNAP-8 is a short peptide mimic that competes with SNAP-25 reversibly. The effect is far milder, far more reversible, and far less potent than an actual neurotoxin.
How should SNAP-8 be stored?
Store the lyophilised powder refrigerated at 2-8 °C. In formulated topical products it is stable in aqueous solution at pH 4-6. Penetration remains the main limitation - dissolving microneedle delivery, liposomes, or other penetration enhancers can improve stratum-corneum crossing significantly.
Where can I buy SNAP-8?
Right here - SNAP-8 is supplied directly by New-U Research Compounds on this page. Every batch is independently third-party tested to >99% HPLC purity with a batch-linked Certificate of Analysis, supplied as lyophilised research-grade material, and shipped direct from source worldwide in discreet, tracked packaging.
How much does SNAP-8 cost?
SNAP-8 pricing is shown live on this page, per pack size - 10-vial research packs as standard, with single-vial sample options on selected compounds. Larger vial strengths lower the per-mg cost, every order includes the batch Certificate of Analysis, and shipping is free on orders over $350.
Is SNAP-8 third-party tested?
Yes. Every SNAP-8 batch is verified by independent laboratories (Janoshik Analytics and Freedom Diagnostics) for identity and purity, with a batch-linked Certificate of Analysis confirming >99% purity by HPLC. Every order ships with its COA, and current batch certificates are published on our COA page.
How do I buy SNAP-8?
Add the SNAP-8 pack size you need to your cart and check out: enter your shipping details, then choose your payment method - cryptocurrency or card - on the next step. Every order ships with its batch Certificate of Analysis (COA).
What payment methods can I use to buy SNAP-8?
At checkout you can pay by card or crypto. New-U supports BTC and selected stablecoin and network-asset payments across Ethereum, Solana, TRON, Polygon, Base, BNB Chain and Linea. You choose your method after confirming your order.
How fast is shipping, and do you ship worldwide?
Yes - we ship worldwide in discreet, unmarked, temperature-stable, tracked packaging. Delivery typically takes 6–14 business days, and shipping is free on orders over $350.
Is it legal to buy SNAP-8?
In the United States, SNAP-8 is sold strictly for laboratory and research purposes only. It is not approved by the FDA for human consumption and is not sold for that purpose. Regulatory status varies by jurisdiction - buyers are responsible for compliance in their own region.
Research use only - all claims made on this site are for testing and research use only.
Pharmacokinetics
Evidence Tier
Overall: Mixed (human + animal)
SNAP-8 is a topical cosmetic ingredient (INCI: Acetyl Octapeptide-3). Its competitive-SNARE-inhibition mechanism is described in peer-reviewed cosmeceutical reviews (Errante et al. 2020; Polymers 2025) and in-vitro assays, but the efficacy figures are largely sponsor-reported rather than from large independent trials. It is used in cosmetics and is NOT an approved drug; the research-grade material supplied here is unapproved laboratory material for research and formulation use.
Tier 1 · Human clinical
Certificates, databases & peer-reviewed sources
Last reviewed: 16 June 2026 · New-U Research Compounds
Key Characteristics
Specifications
About SNAP-8 (Acetyl Octapeptide-3): Topical Anti-Wrinkle Cosmetic Peptide Research Guide
SNAP-8 is Lipotec's (now Lubrizol's) second-generation refinement of the SNAP-25-mimetic concept that started with Argireline. The same core insight drives both peptides: if you present a fragment that mimics the N-terminal region of SNAP-25, you can compete with the natural protein during SNARE-complex assembly and gently reduce acetylcholine release at the neuromuscular junction. SNAP-8 (INCI name Acetyl Octapeptide-3) just does it slightly more effectively because two extra residues (Ala-Asp) extend the binding interface - the basis for the targeting of dynamic expression lines around the eyes (crow's feet) and forehead.
The widely-quoted figures - roughly 30% greater SNARE inhibition than Argireline, and up to 63% wrinkle-depth reduction at 10% over 28 days of twice-daily use - originate from the manufacturer's own efficacy testing rather than a large body of independent peer-reviewed trials, so they are best read as sponsor-reported. The mechanistically important and well-established point is that SNAP-8's effect is reversible, because it is based on competitive peptide binding rather than the irreversible proteolytic cleavage used by botulinum toxin - which is why a topical peptide is far milder and far less potent than an injected neurotoxin.
New-U Research Compounds supplies SNAP-8 as a research-grade lyophilised powder at >99% HPLC purity, verified by independent third-party labs. All material is strictly for in-vitro, laboratory research and cosmetic-formulation work. Nothing on this page is medical advice or a dose recommendation.
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