Skin Conditioning
ACETYL SH-TETRAPEPTIDE-1
Safety score · 0–100
Fine
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
About
An acetylated four-amino-acid signaling peptide used at trace levels in anti-aging serums. Generally well tolerated; clinical evidence beyond supplier data is limited.
Function
Skin benefits
- Acetylated synthetic tetrapeptide
- Skin conditioning / signaling peptide
- Used at very low % in serums
Known concerns
- Limited independent safety dossier
- Marketing claims often outpace clinical evidence
- Possible sensitization in reactive users
References
EU CosIng database
European Commission cosmetic ingredient registry — regulatory status, restrictions, authorised functions.
Related skin conditionings
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This profile is for educational purposes and does not constitute medical advice. Regulatory status and scientific understanding evolve — always read the physical product label and consult a healthcare professional for personal concerns.