INCI · humectant · CIR review pending · used in 136 products
1,2-Hexanediol
1,2-Hexanediol (CAS# 6920-22-5) is a multifunctional diol used in cosmetic formulations. It can act as a humectant, emollient, and solvent — for example, helping to stabilize perfumes in water-based products and dispersing pigments more evenly in makeup. It is also noted for its ability to boost the antimicrobial activity of preservatives.
Evidence level
moderateEWG score
—Comedogenic
—Category
humectant● Benefits
Provides a soft and pleasant skin feel while functioning as both a humectant and emollient. It supports formula stability by acting as a solvent for certain ingredients and enhances the efficacy of preservatives through antimicrobial boosting activity.
hydratingbarrier-supportsoothing
● Cautions
