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Peptide Profile
Acetyl Hexapeptide-3 · Acetyl Hexapeptide-8
Argireline (Acetyl Hexapeptide-3) is a synthetic hexapeptide applied topically in cosmetic formulations to reduce the appearance of expression lines. It is proposed to partially inhibit the SNAP-25 component of the SNARE protein…
Educational research information — not medical advice. Review primary sources and consult a qualified professional before any decision.
Educational research tools — not medical advice.
Inhibits SNARE complex formation in facial muscles; reduces acetylcholine release locally; relaxes expression lines without systemic effects
Argireline (Acetyl Hexapeptide-3) is a synthetic hexapeptide applied topically in cosmetic formulations to reduce the appearance of expression lines. It is proposed to partially inhibit the SNAP-25 component of the SNARE protein complex, attenuating the strength of muscle contractions that drive dynamic wrinkle formation. Controlled human trials have demonstrated statistically significant reductions in wrinkle depth with repeated topical application compared to placebo, representing some of the stronger human evidence available for a cosmetic peptide. Argireline is classified as a cosmetic ingredient, not a drug; it has not been evaluated by the FDA for efficacy and existing evidence is limited to cosmetic endpoints in small-to-medium trials. Argireline concentration and use: in published cosmetic studies, argireline is used at concentrations of 5–10% in topical formulations, applied to areas of dynamic expression lines such as forehead and periorbital regions. The mechanism of action — partial SNARE complex inhibition rather than complete neurotoxin-class blockade — means the effect is typically described as softening expression line depth rather than eliminating muscle movement. Results in human studies develop over 4–8 weeks of twice-daily application. Argireline vs SNAP-8: SNAP-8 (Acetyl Octapeptide-3) is a longer structural derivative of argireline developed to extend SNARE complex competitive inhibition further along the docking sequence, with manufacturer-sponsored data suggesting improved potency at lower concentrations. The key difference in evidence quality: argireline has independent peer-reviewed human trial data, while SNAP-8 data originates primarily from manufacturer-sponsored studies not indexed in standard biomedical literature. Both are topical cosmetic ingredients and neither carries regulatory drug approval. For cosmetic peptides with more systemic research profiles — including GHK-Cu, which has several decades of independent research — the PeptideBase skin and joint peptides directory covers the broader landscape.
Population research notes
These signals reflect research interest areas, not treatment indications.
based on 3 studies · 2 RCTs · most recent 2026
Cosmetic peptide (acetyl hexapeptide-3). Sold as cosmetic ingredient by Lipotec/Sederma. Not regulated as a drug by FDA. No NDA or IND. Cosmetic anti-wrinkle ingredient only.
Regulatory status reflects publicly available information and may change. This is not legal or medical advice.
3 sources cited · 1 strong · 2 moderate
2 RCTs · 1 Cohort
The anti-wrinkle efficacy of argireline, a synthetic hexapeptide, in Chinese subjects: a randomized, placebo-controlled study
American Journal of Clinical Dermatology · 2013
In a 4-week double-blind randomized controlled trial of 60 subjects, twice-daily topical argireline (acetyl hexapeptide-3) achieved 48.9% overall anti-wrinkle efficacy versus 0% for placebo, with significant reductions in all objective roughness parameters by wrinkle-analysis apparatus, establishing clinical evidence for its SNARE-inhibiting mechanism of action.
DES-mediated self-assembled polypeptides: Synergistic neuromuscular signaling inhibition for anti-aging.
Biomater Adv · 2026
Researchers developed a transdermal delivery system combining argireline, DDB peptide, and μ-conotoxin in self-assembled nanoparticles, demonstrating that this synergistic formulation significantly inhibited neuromuscular signaling and acetylcholine secretion, and improved skin elasticity and wrinkle parameters in vitro, in vivo, and in exploratory clinical assessments.
The efficacy study of the combination of tripeptide-10-citrulline and acetyl hexapeptide-3: a prospective, randomized controlled study
Journal of Cosmetic Dermatology · 2017
Research in a 60-day randomized controlled trial of 24 subjects confirmed the antiwrinkle activity of acetyl hexapeptide-3 (argireline), demonstrating significant improvements in skin microtopography (cR2, cR3 parameters) and reduction in transepidermal water loss; the combination with tripeptide-10-citrulline showed additive improvements in skin surface parameters.
Research-use compound with limited human data. Evidence strength varies — see the Evidence section.
No established clinical contraindications. This is an investigational compound with limited human data and has not been evaluated by the FDA for safety in this context. Consult a qualified clinician.
Consult a qualified healthcare professional before making any health decisions. This information is educational only and does not constitute medical advice.
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VSArgireline
Self-reported, anecdotal experiences aggregated from public Reddit discussions — community sentiment, not clinical evidence or medical advice.
Attribution note: many of these reports describe stacking Argireline with other compounds, so outcomes may not be attributable to it alone.
Outcome distribution
Side effects people mention
Counts are mentions across reports, not incidence rates.
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What they wish they'd known
Based on 30 community reports · Updated
Argireline (Acetyl Hexapeptide-3) is a synthetic hexapeptide applied topically in cosmetic formulations to reduce the appearance of expression lines. It is proposed to partially inhibit the SNAP-25 component of the SNARE protein complex, attenuating the strength of muscle contractions that drive dynamic wrinkle formation.
SNARE complex (SNAP-25) competitive inhibition reducing expression line depth, wrinkle reduction documented in controlled human trials, topical cosmetic application — not a systemic peptide, softening of dynamic lines over 4–8 weeks at 5–10% concentration.
Research on Argireline primarily documents effects related to SNARE complex (SNAP-25) competitive inhibition reducing expression line depth and wrinkle reduction documented in controlled human trials and topical cosmetic application — not a systemic peptide and softening of dynamic lines over 4–8 weeks at 5–10% concentration. These are areas covered in preclinical and clinical literature — individual response varies and effects depend on context of use.
For Argireline, its FDA status is not evaluated by the FDA, and it is designated for research use only. Regulatory status reflects publicly available information and may change. This is not legal or medical advice.
17 providers in the directory currently offer Argireline.
Argireline is tracked across 3 research vendors on PeptideBase, with per-mg prices ranging $1.58–$8.36. This reflects research-use vendor pricing, not clinical or prescription costs.
In a 4-week double-blind randomized controlled trial of 60 subjects, twice-daily topical argireline (acetyl hexapeptide-3) achieved 48.9% overall anti-wrinkle efficacy versus 0% for placebo, with significant reductions in all objective roughness parameters by wrinkle-analysis apparatus, establishing clinical evidence for its SNARE-inhibiting mechanism of action.
Argireline is featured in the following research stacks on PeptideBase: GHK-Cu + Argireline: Skin Rejuvenation & Line Reduction.
Price per mg varies by quantity, vendor type, and formulation. Research use only.
Data verified July 2026 · Argireline price intelligence
ALDA Aesthetics
Alternity Healthcare
BEAUTILAB
Virginia Healthy Aging Peptide Therapy
VitalRenew Functional & Integrative Medicine
Hamilton Health & Wellness
Bozeman Primary Care
Center for Optimum Health
Livingston NJ Peptide Therapy
Commonly stacked with
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