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Peptide library / Skin & aging / Acetyl octapeptide-3

Cosmetic and topicalSkin & aging

Acetyl octapeptide-3

An eight amino acid extension of argireline, marketed for stronger anti-wrinkle effects.

Body system
Skin & aging
Status
Cosmetic and topical
Strongest evidence
Lab
Also known as
SNAP-8

Effects studied or claimed

What it is used or promoted for, and where each effect has actually been seen

  • Reduce expression lines, topicalLab

How it is thought to work

Like argireline, it mimics a part of SNAP-25 and is designed to compete for assembly of the SNARE complex.

What the evidence shows

Support is mostly from manufacturer data. Independent trials are scarce.

Safety and unknowns

Generally well tolerated.

Regulatory status

Cosmetic ingredient, not a drug.

Regulatory status changes quickly. This entry was last reviewed on 27 October 2026. Confirm current status with the FDA before relying on it.

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General information, not medical advice. Do not buy or inject unregulated peptides.