Solvent
PROPYLENE GLYCOL T-BUTYL ETHER
Safety score · 0–100
Moderate
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
About
A tert-butyl-capped propylene glycol ether used as a fast-evaporating coupling solvent. Less toxic than ethylene-glycol monoethers but the glycol-ether class still attracts regulatory attention, so use levels matter.
Function
Skin benefits
- Effective coupling solvent
- Gives quick-dry, non-greasy feel
- Stable, low-volatility carrier
Known concerns
- Limited cosmetic-specific safety data
- Mild eye and respiratory irritation possible
- Glycol-ether class historically attracts regulatory scrutiny
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.