Solvent
BUTOXYETHANOL
Safety score · 0–100
Caution
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
A solvent that helps dissolve other ingredients, but it is one of the rougher cosmetic solvents from a safety standpoint.
This glycol ether is used as a solvent and viscosity-adjusting aid. It carries multiple acute-toxicity and irritation hazard classifications in raw form, and it is listed under EU Annex III restrictions for cosmetic use, so finished-product exposure needs tight control. Dermal penetration is possible, making it less comfortable than typical low-risk emollients or humectants.
Function
Known concerns
- Acute toxicity in concentrated form
- Skin and eye irritation
- Inhalation hazard
- Reproductive toxicity concerns from high-dose hazard classifications
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, so always read the physical product label and consult a healthcare professional for personal concerns.