Solvent
MEK
Safety score · 0–100
Avoid
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
About
Methyl ethyl ketone (MEK) — a volatile industrial solvent flagged GHS H225/H319/H336. Almost never appropriate in finished cosmetics; if present at trace residual levels only. Avoid in leave-on products.
Skin benefits
- Effective industrial solvent (rarely appropriate in cosmetics)
Known concerns
- GHS H225 highly flammable; H319 eye irritant; H336 narcotic CNS effects
- Inappropriate as a leave-on cosmetic ingredient — solvent for industrial use
- Volatile organic compound (VOC) with workplace exposure limits
- Skin and respiratory irritant
References
EU CosIng database
European Commission cosmetic ingredient registry — regulatory status, restrictions, authorised functions.
Related solvents
Check your shelf
Find MEK in your products.
Scan any cosmetic product with LuxSense to see if it contains MEK and get a full ingredient breakdown with safety scores.
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.