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PENTAERYTHRITYL TETRAMERCAPTOBUTYRATE

CAS 31775-89-0 Updated
40

Safety score · 0–100

Moderate

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

About

A four-armed thiol crosslinker used in polymer chemistry rather than as a cosmetic active. Mercaptan chemistry brings odor, irritation and sensitization concerns.

Function

NAIL CONDITIONING

Skin benefits

  • Crosslinker for cosmetic polymer chemistry
  • Functional handle for thiol-based reactions

Known concerns

  • Tetra-thiol with characteristic mercaptan odor
  • Skin and eye irritation risk
  • Sensitization potential
  • Not a typical leave-on cosmetic ingredient

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.