2,3-Butanediol

2,3-BUTANEDIOL

Data confidence:High

Function

Humectant, Skin Conditioning Agent, Solvent, Preservative Booster

EWG Safety Score

2/10Low concern

About this ingredient

A humectant and skin conditioning agent that is a four-carbon diol derived from natural fermentation or synthetic processes. It attracts and retains moisture in the skin, improving hydration and providing a smooth texture. It also functions as a mild preservative booster and solvent in cosmetic formulations.

Found in 1+ sunscreens