Antioxidant
SR-(METHIONYL S-RAINBOW TROUT OLIGOPEPTIDE-1 SH-POLYPEPTIDE-58 HEXAPEPTIDE-40)
Safety score · 0–100
Fine
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
About
A 205-amino-acid E. coli fusion peptide combining rainbow trout sequence with human-mimicking polypeptide domains, delivering antioxidant, emollient, and conditioning effects.
This fusion peptide is notable for its additional SKIN CONDITIONING — EMOLLIENT function designation, suggesting the sh-Polypeptide-58 domain contributes lipid-like or barrier-supporting properties beyond standard peptide bioactivity. Produced in E. coli, the ingredient falls outside EU restriction annexes. The 205-residue chain size (~23 kDa) indicates limited but potentially non-zero dermal bioavailability based on SCCS molecular-weight considerations for peptide ingredients.
Function
Skin benefits
- Antioxidant, skin protecting, humectant, and emollient conditioning
- Hair conditioning
Known concerns
- Endotoxin management required from E. coli host
- Fish allergenicity for seafood-sensitised individuals
- Emollient claim may require additional film-forming or lipid-component validation
References
EU CosIng database
European Commission cosmetic ingredient registry — regulatory status, restrictions, authorised functions.
Related antioxidants
Check your shelf
Find SR-(METHIONYL S-RAINBOW TROUT OLIGOPEPTIDE-1 SH-POLYPEPTIDE-58 HEXAPEPTIDE-40) in your products.
Scan any cosmetic product with LuxSense to see if it contains SR-(METHIONYL S-RAINBOW TROUT OLIGOPEPTIDE-1 SH-POLYPEPTIDE-58 HEXAPEPTIDE-40) and get a full ingredient breakdown with safety scores.
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.