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Skin Conditioning

DISODIUM SUCCINOYL FARNESYLCYSTEINE

CAS 1239578-31-4 Updated
62

Safety score · 0–100

Fine

Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.

About

A modified amino-acid derivative used in skincare for soothing and barrier claims. Limited public safety data; no GHS hazards on file but no dedicated cosmetic review either.

Function

SKIN PROTECTING

Skin benefits

  • Marketed for skin-soothing and barrier support
  • Cysteine derivative with antioxidant potential
  • Used at low concentrations

Known concerns

  • No GHS data found in PubChem record
  • No published CIR/SCCS review
  • Limited independent dermal safety data
  • Proprietary actives often lack transparency

References

EU

EU CosIng database

European Commission cosmetic ingredient registry — regulatory status, restrictions, authorised functions.

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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.