The Peptide Audit

What is SNAP-8?

Very limited researchDermal research · Last reviewed September 28, 2026

SNAP-8 (acetyl octapeptide-3) is a synthetic eight-amino-acid peptide developed for cosmetics.

How does SNAP-8 work?

It is designed to interfere with the SNARE protein complex that nerves use to trigger muscle contraction, the same system targeted by botulinum toxin.

What are researchers studying?

Where does the evidence stand?

Very limited research

Used as a topical cosmetic ingredient. Not an FDA-approved drug.

Quick facts

Research area
Dermal
Also known as
SNAP8
Third-party lab results
1 published COAs →
Tested vendors tracking it
2 vendors →

Compare SNAP-8

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This guide summarizes published research for educational purposes only. It is not medical advice and does not describe how to use SNAP-8. Citations link to PubMed and are listed for reference — we haven't reviewed or endorsed their findings. Products referenced on The Peptide Audit are sold by third parties for laboratory research use only and are not for human consumption.