Synthetic peptide
CYSTEINYL TRIPEPTIDE-35
Safety score · 0–100
Fine
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
Cysteinyl Tripeptide-35 is a small synthetic peptide built around cysteine, marketed for antioxidant skin benefits. Safety appears reasonable by class analogy, with most evidence still supplier-supplied.
Function
Skin benefits
- Synthetic cysteine-containing tripeptide marketed for antioxidant and skin-conditioning effects
- Cysteine residue may support glutathione-like activity
- Small peptide size aids formulation
Known concerns
- Limited independent peer-reviewed data on this specific peptide
- Cysteine peptides can have stability and odour issues
- Marketing claims often outrun clinical evidence
- No SCCS or CIR opinion identified
References
EU CosIng database
European Commission cosmetic ingredient registry: regulatory status, restrictions, authorised functions.
Related synthetic peptides
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This profile is for educational purposes and does not constitute medical advice. Regulatory status and scientific understanding evolve, so always read the physical product label and consult a healthcare professional for personal concerns.