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Solvent

ALCOHOL DENAT. SD ALCOHOL 40-A

72

Safety score · 0–100

Fine

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

Ethanol denatured with bitter denatonium benzoate (SD Alcohol 40-A) — a workhorse cosmetic solvent. Generally safe for normal skin but drying with heavy or frequent use, especially on already-irritated areas.

Skin benefits

  • Effective and cheap cosmetic solvent
  • Penetration enhancer for actives
  • Rapid-drying texture in toners and sprays

Known concerns

  • Drying with frequent use
  • Stings on compromised skin
  • Denatonium benzoate denaturant is bitter but topically benign

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.