Skin, Hair & CosmeticAnecdotal

Argireline (acetyl Hexapeptide-3) Peptide Therapy

Benefits, Side Effects, Cost & Protocols

Argireline (acetyl Hexapeptide-3) peptide molecular structure diagram from PubChem

Argireline (acetyl hexapeptide-8) is a synthetic hexapeptide used as a topical cosmetic ingredient that may improve the appearance of wrinkles. It is a small peptide fragment of SNAP25, a protein involved in neurotransmitter release and one of the targets of botulinum toxin type A (Botox).

ByChris Riley(CFA)&Alex Evans, PharmD, MBA(PharmD, MBA)|Updated July 3, 2026

Clinically Reviewed

Reviewed by Alex Evans, PharmD, MBA · Updated July 2026

Evidence-Based

Sourced from FDA, PubMed & ClinicalTrials.gov · View sources

FDA Status

Research Only Not currently approved for human use in the US. Available as a research compound. Not eligible for compounding.

Evidence

Anecdotal

How Argireline (acetyl Hexapeptide-3) Works

Competes with SNAP-25 for position in the SNARE complex, reducing vesicle docking and acetylcholine release at the neuromuscular junction, thereby decreasing muscle contraction intensity.

Argireline (acetyl Hexapeptide-3) FAQ

What is ARGIRELINE (ACETYL HEXAPEPTIDE-3)?

Argireline (Acetyl Hexapeptide-3) is a synthetic cosmetic peptide that mimics the N-terminal end of SNAP-25, inhibiting neuromuscular junction activity to reduce the appearance of expression lines and wrinkles.

How does ARGIRELINE (ACETYL HEXAPEPTIDE-3) work?

Competes with SNAP-25 for position in the SNARE complex, reducing vesicle docking and acetylcholine release at the neuromuscular junction, thereby decreasing muscle contraction intensity.

Is ARGIRELINE (ACETYL HEXAPEPTIDE-3) legal to buy?

ARGIRELINE (ACETYL HEXAPEPTIDE-3) is sold as a research chemical for laboratory use only. It is not approved for human use by the FDA. Regulations vary by jurisdiction.

Where can I buy ARGIRELINE (ACETYL HEXAPEPTIDE-3)?

ARGIRELINE (ACETYL HEXAPEPTIDE-3) has mixed availability - it can be found through both compounding pharmacies (with prescription) and research suppliers.

What category does ARGIRELINE (ACETYL HEXAPEPTIDE-3) belong to?

ARGIRELINE (ACETYL HEXAPEPTIDE-3) is primarily classified as a skin, hair & cosmetic peptide. Peptides studied for cosmetic applications including skin rejuvenation, collagen production, tanning, hair growth, and anti-wrinkle effects.

What are the research benefits of ARGIRELINE (ACETYL HEXAPEPTIDE-3)?

ARGIRELINE (ACETYL HEXAPEPTIDE-3) has been studied for: Wrinkle reduction, Expression line softening, Non-invasive Botox alternative, Skin smoothing. Cosmetic hexapeptide; Botox-like mechanism without injection. Widely used in anti-wrinkle serums.

Argireline (acetyl Hexapeptide-3) Compound Data

Molecular Formula

C35H62N14O11S

Molecular Weight

887.0 g/mol

IUPAC Name

(4S)-4-acetamido-5-[[(1S)-1-[[(1S)-1-[[(1S)-4-amino-1-[[(1S)-1-[[(1S)-1-carbamoyl-4-guanidino-butyl]carbamoyl]-4-guanidino-butyl]carbamoyl]-4-oxo-butyl]carbamoyl]-3-methylsulfanyl-propyl]carbamoyl]-3-carboxy-propyl]amino]hex-5-enoic acid

View full compound on PubChem

Argireline (acetyl Hexapeptide-3) News

Argireline Serums Are Growing in Popularity for Their "Botox-Like" Effects — These Are Our 10 Favorites - People.com

People.com · 28 days ago

Is Botox in a Bottle Real? Experts Weigh In - Vogue

Vogue · 4 months ago

Can this TikTok-loved ingredient really reduce wrinkles? Dermatologists weigh in - TODAY.com

TODAY.com · 30 months ago

Argireline Can Help Reduce Dynamic Wrinkles, According to Dermatologists - Byrdie

Byrdie · 27 months ago

Surely This Trending Skincare Ingredient Can't Actually Replace Botox? I've Asked the Experts - Who What Wear

Who What Wear · 16 months ago

News aggregated via Google News. Inclusion does not imply endorsement.

Medical Disclaimer: The information on this page is for educational purposes only and does not constitute medical advice. Peptide therapies have not been evaluated by the FDA for most listed indications.All prices shown are estimates based on publicly available data and may not reflect current pricing — providers and brands set their own prices and can change them at any time. Always verify pricing directly with the provider before purchasing. Consult a licensed healthcare provider before starting any peptide protocol.

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