INCI · humectant · CIR review pending · used in 156 products
Butylene Glycol
Butylene glycol (BG) is a colorless, syrupy liquid with the chemical name Butane-1,3-Diol. It is a multi-tasking ingredient that primarily functions as a solvent for other ingredients, while also acting as a humectant, penetration enhancer, and slip agent. It is approved by Ecocert and is also used as a food additive. Its safety has not been questioned by regulatory or safety bodies.
Evidence level
moderateEWG score
—Comedogenic
1/5Category
humectant● Benefits
BG attracts water into the skin as a humectant, helps products absorb faster and deeper as a penetration enhancer, and improves product spreadability as a slip agent. It also aids in dissolving and stabilizing other ingredients within a formulation.
hydratingbarrier-supportsoothing
● Cautions
