01The question
Is Butylene Glycol safe in primers?
ClearedPrimers
A petroleum-derived humectant and solvent approved by the CIR as safe at concentrations used in cosmetics. No evidence of reproductive toxicity, carcinogenicity, or cumulative toxicity. Can cause mild eye irritation at high concentrations.
02What the research flags
- Eye irritation at high concentrations
- Rare allergic reactions in sensitive individuals
- Petroleum-derived source
03Other primers ingredients on file
04Sources & references
- [1]
- [2]DatabaseIngredient database
- [3]
Research disclaimer: Ratings reflect peer-reviewed research and regulatory assessments available at the time of publication, not the dose or formulation of any specific primers product. This is not medical advice.