Peptide
TETRAPEPTIDE-26
Safety score · 0–100
Fine
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
About
A synthetic four-amino-acid signal peptide used at trace levels in firming serums. Mild profile typical of cosmetic peptides; clinical evidence is mostly proprietary.
Function
Skin benefits
- Signal peptide for skin-firmness claims
- Used at trace levels — low irritation
- Synthetic peptide — well-defined molecule
Known concerns
- Limited independent clinical evidence
- Proprietary efficacy claims
- Stability and skin penetration uncertain
References
EU CosIng database
European Commission cosmetic ingredient registry — regulatory status, restrictions, authorised functions.
Related peptides
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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.