Solvent
SD ALCOHOL 3-B
Safety score · 0–100
Moderate
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
About
Denatured ethanol made unfit to drink using t-butyl alcohol (TTB SDA formula 3-B). A solvent and antimicrobial. Safe in rinse-off and low-percent leave-on, but drying at high concentrations.
Skin benefits
- Carrier solvent for actives
- Antimicrobial preservation support
- Helps fast drying of formulas
Known concerns
- Drying and barrier-disrupting at high percentages
- Can sting broken or sensitised skin
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.