SNAP-8, also called acetyl octapeptide-3, is a synthetic peptide used in skin products for expression lines. It is listed as an EU cosmetic ingredient, not approved as a drug, and studies so far tested it only mixed with other ingredients. PepBank shows no results on SNAP-8 from studies in people, animals, the lab or computer predictions. Data as of 2026-10-30.
Also known as Ac-EEMQRRAD-NH2, Acetyl Octapeptide-3, SNAP-8
| What it is | Synthetic analog, 8 amino acids |
|---|---|
| Approval | Not approved for any use |
| In sport | Status unknown |
| Studies | 2 studies with results. None of them gave SNAP-8. |
| Clinical trials | None registered |
| Community use | Expression line appearance |
An acetylated octapeptide used in topical cosmetics for expression lines.
Amino acids in one chain
The key facts about the molecule. Long codes are in the closed section below.
InChIKeyKMACPCJUCHVVGP-FNRPHRCSSA-N
SMILESC[C@@H](C(=O)N[C@@H](CC(=O)O)C(=O)N)NC(=O)[C@H](CCCN=C(N)N)NC(=O)[C@H](CCCN=C(N)N)NC(=O)[C@H](CCC(=O)N)NC(=O)[C@H](CCSC)NC(=O)[C@H](CCC(=O)O)NC(=O)[C@H](CCC(=O)O)NC(=O)C
Results grouped by what the studies measured. Each card shows where its results come from.
No approved medicine contains it.
No approved medicine contains it.
Status unknown.
No. Not approved for any use. The FDA, the EMA and the other sources we use show no approval (as of 22 Oct 2026). Status unknown.
Laws and labels change, so check the regulator for the current status.
PepBank has no safety result from studies of SNAP-8 yet. That does not mean SNAP-8 is safe.
What people report online. It comes from forums and guides, not from studies.
The source describes topical cosmetic use. These reports do not establish a safe or effective concentration.
| Context | Route | Amount | How often | How long | Agreement | Sources |
|---|---|---|---|---|---|---|
| Reported cosmetic serum | topical | 3 to 10 % per supplier solution incorporated into the finished cosmetic formulation | twice daily | ongoing, minimum 4 to 8 weeks | One community aggregation source. A supplier confirms the solution convention. No independent user reports were checked. | S1 |
plus 1 seller page (not linked)
Gaps
S1 describes AI-generated aggregation and labels the page unverified. Underlying user reports were not independently checked. No Reddit pages were accessed. Actual concentrations in reported serums remain unverified. Source statements do not establish safety, efficacy, or an approved dose.
The answer links to every study it uses.
AI wrote and checked these results. AI can make mistakes, so check important results against the source.
PepBank is a research reference. Talk to a doctor before you use any peptide.
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In PepBank now:147 peptides, 6 blends and 13 other compounds97,577 study results from 17,383 studies8,473 clinical trialsUpdated