Argireline
Also known as: Acetyl Hexapeptide-3, Acetyl Hexapeptide-8
At a glance
PeptiGuide dataset · reviewed Aug 2026
What it is
Topical cosmetic peptide researched for expression-line and wrinkle appearance.
Status
Research
Typical dose
Limited community data available
Researched for
Wrinkle reduction, forehead lines, eye area anti-aging
Trial progress
- PrePreclinical
- IPhase I
- IIPhase II
- IIIPhase III
- IVPhase IV
- FDAFDA approved
Preclinical - Limited evidence and no established human dosing
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In plain language
- Synthetic cosmetic also known as acetyl hexapeptide-8 and acetyl hexapeptide-3.
- Studied for wrinkle reduction, forehead lines, and eye-area anti-aging.
- Listed status: cosmetic use, widely available; not FDA approved.
- Evidence level in the source is Limited Research, with mixed human findings.
- Topical use is described for serums and creams; community dose detail is limited.
How it's thought to work
Argireline is described as an acetyl hexapeptide-8 fragment connected to SNAP-25, a protein involved in the SNARE machinery for acetylcholine release. The source reports that early laboratory work found neurotransmitter-release inhibition in cell systems. A key limitation is topical delivery: the supplied review summary notes disagreement about skin penetration and states that demonstration of the marketed muscle-inhibition mechanism was not shown.
What the research shows
Where the research stands
The source summary cites a 2002 Blanes-Mira study using a 10% oil-in-water emulsion and reporting a 30% wrinkle-depth reduction, alongside cell-assay support for SNARE interference. It also describes a small double-blind split-face study in 19 women where four weeks of Argireline serum did not significantly outperform placebo by VISIA imaging and was not considered a botulinum toxin substitute. A 2025 review is reported to have found inconsistent penetration estimates, about 30% stratum-corneum passage in one study versus about 0.2% in another, and no proof of the proposed muscle-inhibition mechanism. Overall, the supplied evidence frames Argireline as a plausible cosmetic peptide with limited and mixed human data, while noting no serious adverse effects reported.
What it shows
✓ Early research
Limited evidence and no established human dosing
△ Limitations
Early research findings may not translate directly to human outcomes.
Bottom line: Cosmetic use - widely available Not FDA approved
Typical dosing
CommunityCommunity datasetLimited community data available
See research protocols
Range: See research dosing
Community row reports limited dose detail and points to research dosing/protocols; this is not medical advice.
Research dosing
Early researchEarly research - limited data
Timing & administration
Best time to take
Morning and evening (topical)
Twice daily topically
Food recommendation
With or without food
Why this timing?
The source links twice-daily topical use with maintaining cosmetic effects, while broader efficacy evidence remains limited and mixed.
Possible side effects
Not everyone experiences these. Individual responses vary with dose, duration, and personal factors.
- Generally very safe
- Mild skin irritation
- Redness or tingling
- Fewer side effects than botulinum toxin
Not everyone experiences side effects, and severity can vary by context, purity, route, and individual health factors.
Sources
Frequently asked questions
Sequence
Ac-EEMQRR-NH2
One open dataset
Every fact on this page - doses, side effects, references - comes from the same PeptiGuide dataset that powers the Tracker, Compare, and the Lab.
Browse the datasetEducational resource, not medical advice. Talk to your clinician before acting on anything here.
Community discussion
Comments are moderated before they appear. Keep it evidence-focused.