Solvent / denatured alcohol
ALCOHOL DENAT. SD ALCOHOL 1
Safety score · 0–100
Moderate
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
Denatured ethanol used as a solvent and astringent. High-percentage use can dry and weaken the skin barrier, and the specific SD Alcohol 1 grade is denatured with methanol, which triggers added caution.
Skin benefits
- Fast-evaporating solvent for active delivery
- Lightweight feel and quick dry-down
- Solubilizes essential oils and fragrance
- Antimicrobial effect at sufficient concentration
Known concerns
- Drying and barrier-disrupting at high levels
- SD Alcohol 1 historically denatured with methanol (Prop 65 concern)
- May aggravate sensitive, eczema-prone, or rosacea skin
- Stinging on broken skin
References
EU CosIng database
European Commission cosmetic ingredient registry: regulatory status, restrictions, authorised functions.
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.