SNAP-8Cosmetic / Skin
Peptide studied for reducing the look of expression lines.
- Status
- Research / not approved
- Developer
- Lipotec S.A. (Spain), now Lubrizol Life Science; marketed under the trademark SNAP-8
- Receptors / target
- SNAP-25 mimetic; competes in the assembling SNARE complex to reduce Ca-dependent neurotransmitter release, attenuating facial-muscle contraction (a topical, far weaker 'Botox-like' effect)
- FDA-approved?
- NO
- Prescription available?
- NO
- Studied for
- topical expression-wrinkle reductionSNARE / SNAP-25 competitive inhibitioncosmeceutical peptide skin-permeability research
Overview
SNAP-8 (INCI: acetyl octapeptide-3; also acetyl glutamyl heptapeptide-1) is a synthetic, acetylated eight-residue peptide (Ac-EEMQRRAD-NH2) — an elongated analog of Argireline (acetyl hexapeptide-8). It was developed by Lipotec S.A. (now Lubrizol Life Science) and is sold under the trademark SNAP-8 as a topical cosmetic ingredient for the appearance of expression wrinkles. It is not an approved drug, has not been evaluated by the FDA as a pharmaceutical, and is research/cosmetic-use only.
Mechanism
SNAP-8 is described as a SNAP-25 mimetic. SNAP-25 is one of the SNARE proteins whose assembly drives neurotransmitter release at the neuromuscular junction (and the protein cleaved by botulinum toxin A). By reproducing the N-terminal domain of SNAP-25, the peptide competes for its position in the SNARE complex, destabilizing assembly and reducing Ca-dependent release of catecholamines/acetylcholine — a topical, reversible, and far weaker analogy to botulinum toxin. A key caveat from the independent literature: no in-vivo study has confirmed muscle-contraction inhibition for this peptide class, and skin permeation is contested, so meaningful delivery to the neuromuscular junction is uncertain.
Clinical evidence
There are essentially no rigorous, independent clinical efficacy trials of SNAP-8. The widely repeated wrinkle-reduction figures (e.g., ~35% mean) trace to manufacturer in-vivo data, quoted within review articles, not controlled independent trials. The genuine peer-reviewed literature treats SNAP-8 only as one example within broader cosmeceutical-peptide reviews, and the closest rigorous evidence — a 2025 review of the sister peptide Argireline — concludes human evidence is limited and partly contradictory. SNAP-8 has no clinical-trial-grade human efficacy evidence.
Safety profile
Used topically at cosmetic concentrations, SNAP-8 has a long market history and is generally well tolerated, with mild local irritation or redness the main reported reaction. However, there is no rigorous independent toxicology dataset, and no human safety or pharmacokinetic data for any non-topical route — injected or systemic use is entirely unstudied and outside any evidence base. It is FDA not-evaluated (cosmetic ingredient) and not WADA-prohibited. Research/cosmetic-use framing only; nothing here is a therapeutic or efficacy claim.
- Weeks (topical)
Manufacturer studies applied SNAP-8 creams over ~4 weeks before assessing wrinkle appearance, but there are no independent controlled trials and skin penetration is debated.
- Reality
No rigorous human efficacy time-course exists; systemic or injected use is unstudied.
Reported in published literature and user reports. Not a complete list, and not medical advice.
- Mild topical irritation or redness (mainly at higher concentrations)
- Possible localized contact sensitivity / allergy
- Systemic or injected use is unstudied — no human safety data outside topical cosmetic use
If severe or unexpected symptoms occur, contact a qualified medical professional. PEPTIDES·INDEX does not provide medical advice.
- No human contraindication data exist for SNAP-8 beyond its topical cosmetic record; there is no rigorous independent toxicology dataset.
- No human safety or pharmacokinetic data exist for any non-topical route; injected or systemic use is entirely unstudied and outside any evidence base.
- People prone to contact sensitivity or allergy may react to topical use; not intended for human consumption or injection.
- No documented human drug interactionsInteraction profile uncharacterized in humans (research/cosmetic use only)
Compare
- vs GHK-Cu
Another topical cosmetic peptide, used for collagen/skin-remodeling rather than expression wrinkles
FAQ
Is SNAP-8 FDA-approved?
No. SNAP-8 (acetyl octapeptide-3) is a topical cosmetic ingredient and has not been evaluated by the FDA as a drug. It is research/cosmetic-use only.
Does SNAP-8 actually reduce wrinkles?
There is no clinical-trial-grade independent evidence. The widely repeated wrinkle-reduction figures trace to manufacturer in-vivo data, and no independent in-vivo study has confirmed muscle-contraction inhibition for this peptide class; skin penetration is also contested.
Is SNAP-8 like Botox?
Only as a loose analogy. It is described as a SNAP-25 mimetic that competes in the SNARE complex, a topical, reversible, and far weaker effect than botulinum toxin, with delivery to the neuromuscular junction uncertain.
How is SNAP-8 applied?
It is used topically, typically formulated into a serum or cream at roughly 5-10%. There is no human safety or pharmacokinetic data for any injected or systemic route, which is entirely unstudied and outside any evidence base, so SNAP-8 should not be injected.
How is SNAP-8 different from Argireline?
SNAP-8 (acetyl octapeptide-3) is an elongated eight-residue analog of Argireline (acetyl hexapeptide-8). Both are marketed as SNAP-25-mimetic anti-expression-wrinkle peptides; the most rigorous review of Argireline still concludes human evidence is limited and partly contradictory, and SNAP-8 has even less independent data.
Is SNAP-8 safe and is it banned in sport?
At cosmetic concentrations topical SNAP-8 has a long market history and is generally well tolerated, with mild local irritation or redness the main reported reaction; there is no rigorous independent toxicology dataset. It is not WADA-prohibited.
Similar compounds
Starting references for the library summary. These are not dosing instructions or medical advice.
For research-use educational context only. Not medical advice and not a recommendation to use any compound. Consult a qualified healthcare professional before any health decision.