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Humectant

2,3-BUTANEDIOL

CAS 513-85-9; 5341-95-7; 24347-58-8
88

Safety score · 0–100

Good

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

A simple, naturally-occurring diol — a mild humectant and solvent that's also found in some foods and fermented products. Well-tolerated at cosmetic levels with a strong safety profile.

Function

HUMECTANTFRAGRANCESKIN CONDITIONINGSOLVENT

Skin benefits

  • Humectant moisture binding
  • Mild solvent action
  • Bio-derivable

Known concerns

  • No significant concerns at cosmetic concentrations
  • Mild eye irritation at high %

References

EU

EU CosIng database

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

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HYDROLYZED AGAROSE
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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.