Solvent
Alkyne alcohols, their esters, ethers and salts
Safety score · 0–100
Avoid
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
About
An EU-restricted class of reactive alkyne alcohols and their derivatives — prohibited at and above 0.1 percent in cosmetics due to toxicity and reactivity hazards. Not suitable for cosmetic use.
Skin benefits
- Primarily a processing aid
Known concerns
- EU restricted ingredient class — prohibited at and above 0.1% in cosmetics
- Many alkyne alcohols are reactive and acutely toxic
- Inappropriate for skin-contact cosmetic use
- Several members are flammable / explosive hazards
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.