Argireline
Acetyl hexapeptide-8 studied for expression line reduction
Half-life
Topical absorption — N/A systemic
Typical Dose
5-10% topical formulations
Format
Topical
Purity
≥95%
Overview
Argireline (Acetyl Hexapeptide-8) is a synthetic peptide that mimics botulinum toxin's mechanism in a milder, topical form. Widely used in cosmetic formulations for expression line research.
Mechanism
Mimics the N-terminal end of SNAP-25, competing with the natural protein and inhibiting catecholamine release at neuromuscular junctions.
Researched benefits
- Expression line reduction
- Topical application
- Botox-mimetic mechanism
- Wrinkle depth research
Frequently asked
What is argireline?
Argireline is the trade name for acetyl hexapeptide-8, a six-amino-acid peptide used in topical cosmetic formulations. It is applied to skin, never injected.
How does argireline work?
It mimics the N-terminal end of SNAP-25, a component of the SNARE complex that mediates neurotransmitter vesicle fusion. By competing for a position in that complex, it is proposed to reduce the efficiency of acetylcholine release at the neuromuscular junction.
Is argireline comparable to botulinum toxin?
No. Both interact with the SNARE machinery, but argireline is a topical peptide with limited dermal penetration and a far weaker, reversible effect. The marketing comparison overstates what a topical hexapeptide can do.
What concentration is used in formulations?
Cosmetic formulations typically use 5 to 10 percent argireline solution. Published studies on wrinkle-depth outcomes generally test within that range over several weeks of twice-daily application.
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