Solvent
SD ALCOHOL 40
Safety score · 0–100
Fine
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
SD Alcohol 40 is denatured ethanol used as a fast-drying solvent in toners, fragrances, and styling products. It dissolves other ingredients and leaves a lightweight, non-greasy finish on skin and hair.
Skin benefits
- Common cosmetic solvent that evaporates quickly for a non-sticky finish
- Carries actives and helps dissolve fragrance and resins
- Provides antimicrobial preservation at higher concentrations
Known concerns
- Can be drying or irritating to sensitive skin at high concentrations
- Denaturants may add allergens depending on the SD specification
- Not ideal for compromised or eczema-prone skin barriers
References
EU CosIng database
European Commission cosmetic ingredient registry: regulatory status, restrictions, authorised functions.
Related solvents
Same plant / compound family
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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.