INCI · humectant · CIR review pending · used in 73 products
Propanediol
Propanediol (also known by the trade name Zemea) is a natural alternative to propylene glycol, produced sustainably from corn sugar and Ecocert approved. It functions as a multi-tasker in cosmetic formulations, serving as a solvent, humectant, and sensory modifier. It can also boost the efficacy of preservatives in a formula.
Evidence level
weakEWG score
—Comedogenic
—Category
humectant● Benefits
Propanediol helps improve skin moisturization as a humectant. It also acts as a solvent to help dissolve and stabilize other ingredients, and can enhance preservative efficacy within formulations.
hydratingsolventbarrier-support
● Cautions







































































