Solvent / vehicle ingredient
2,3-Butanediol
A glycol isomer (distinct from 1,3-butylene glycol) used as a humectant and solvent in toners, serums, and masks to hydrate skin and improve ingredient dispersibility.
Also known as: butane-2,3-diol
humectantsolvent
Benefits
- ✓Attracts and retains moisture
- ✓Improves formula spreadability and skin feel
- ✓Helps stabilize and disperse actives
No known watch-fors.
