What is butylene glycol?
Butylene Glycol can be categorized under mild polyols, very widely used in cosmetics. Butylene Glycol is used as a humectant and carrier for cosmetic ingredients. It is an effective solvent.
Hydrophilic moisturizing ingredients often used in cleansing creams, but the real effect of Butylene Glycol is to dissolve dirt, avoid products from drying too quickly during the removal stage.
Butylene Glycol is a small molecule moisturizing ingredient, which hold water in the stratum corneum, the hygroscopic effect is not very clear.