Antioxidant
SR-(METHIONYL S-RAINBOW TROUT OLIGOPEPTIDE-1 SH-OLIGOPEPTIDE-1 HEXAPEPTIDE-40)
Safety score · 0–100
Fine
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
About
A lab-made fusion protein blending rainbow trout and human-style peptide sequences, grown in E. coli for antioxidant and conditioning use. Novel and short on independent safety data, so a cautious yellow.
Function
Skin benefits
- Antioxidant support in formulations
- Skin and hair conditioning
- Large peptide unlikely to penetrate intact skin
Known concerns
- Novel recombinant fusion peptide with limited independent safety data
- Potential E. coli host-cell protein and endotoxin residuals if not well purified
- Unknown immunogenic potential for sensitised users
References
EU CosIng database
European Commission cosmetic ingredient registry — regulatory status, restrictions, authorised functions.
Related antioxidants
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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.