Banned solvent
BUTYROLACTONE
Safety score · 0–100
Avoid
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
Gamma-butyrolactone is a controlled GHB precursor banned from EU cosmetic use. It poses serious systemic toxicity risk and is prohibited under the Cosmetics Regulation Annex II.
Skin benefits
- Used industrially as a solvent for polymers and as a chemical intermediate
- Has applications in pharmaceutical synthesis
Known concerns
- Gamma-butyrolactone is a controlled precursor of GHB with serious abuse potential
- Listed under EU Annex II of Cosmetics Regulation as prohibited
- Causes central nervous system depression on systemic exposure
- Skin and eye irritant requiring industrial handling controls
References
EU CosIng database
European Commission cosmetic ingredient registry: regulatory status, restrictions, authorised functions.
Related banned 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.