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Solvent

ISOPENTYLDIOL

CAS 50468-22-9 / 2568-33-4
80

Safety score · 0–100

Good

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

A small branched diol used as a solvent, humectant, and preservative booster. Light, non-sticky feel; very well tolerated, even in sensitive-skin formulas.

Skin benefits

  • Solvent and humectant
  • Boosts preservative efficacy
  • Lighter feel than glycerin
  • Used in Asian-style toners

Known concerns

  • Mild eye irritation in concentrate
  • Limited dedicated CIR/SCCS review

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, so always read the physical product label and consult a healthcare professional for personal concerns.