Noun: propanediol
- A sweet colourless, viscous, hygroscopic liquid used as an antifreeze and in brake fluid and also as a humectant in cosmetics and personal care items although it can be absorbed through the skin with harmful effects
"propanediol is used in many e-cigarette liquids as a base";
- propylene glycol
Type of: antifreeze, humectant
Encyclopedia: Propanediol