Acetyl Tetrapeptide-2
A cosmetic peptide with in vitro evidence of altered keratinocyte mechanics and structural-gene expression. Reliable human anti-ageing evidence is limited.
- Human evidencen/a
- Animal evidencen/a
- Mechanisticn/a
- Safety knowledgen/a
- Editorial confidence3/5
Evidence Snapshot
- Overall
- 1/5Insufficient certainty
- Human
- 0/5None identified
- Animal
- 0/5None identified
- In-vitro
- 2/5Some mechanistic research
- Safety
- 0/5None identified
Scientific identity
- Peptide family
- Thymopoietin-mimetic cosmetic peptide
- Entity class
- Cosmetic peptide
- Alternative names
- Thymulen 4Acetyl tetrapeptide 2
Developed as a topical cosmetic tetrapeptide marketed for skin firmness and structural-protein support.
Proposed Mechanisms
- not-yet-documentedpending-editorial-review
- Keratinocyte mechanics and structural-protein modulation →supported
Reported / Studied Uses
- Skin Ageing / WrinklesEvidence · insufficient
Human Evidence
No robust independent controlled human trial specific to acetyl tetrapeptide-2 was identified.
Animal Evidence
No robust animal efficacy evidence supporting topical cosmetic use was identified.
Safety & Unknowns
Regulatory Status
| Country | Status | Notes |
|---|
Community Observations
References
- No verified references linked yet. Editors will add primary sources.
Full Disclaimer
This page is for educational information only. It does not constitute medical advice, diagnosis, treatment, dosing guidance, or a recommendation to use any peptide, medicine or research chemical. Many peptides discussed on Atlas are not approved for human use in most jurisdictions and may have limited or unknown long-term safety data.
Community observations shown on this page are anonymised, moderated and observational only. They do not establish safety or effectiveness.
Always consult a qualified healthcare professional before making decisions about your health. See medical disclaimer and methodology.