Solvent
ALCOHOL DENAT. SD ALCOHOL 31-A
Safety score · 0–100
Fine
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
About
Ethanol denatured with glycerin and hard soap (SD Alcohol 31-A). Functions as a cosmetic solvent; the glycerin denaturant slightly offsets the drying nature of ethanol but heavy use still strips the barrier.
Skin benefits
- Solvent for fragrance and actives
- Mild humectant contribution from glycerin denaturant
- Quick-drying feel in toners and sprays
Known concerns
- Drying on frequent use
- Stings on broken skin
- Hard soap component adds minor irritation potential
References
EU CosIng database
European Commission cosmetic ingredient registry — regulatory status, restrictions, authorised functions.
Related solvents
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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.