Propylene Glycol..INCI Name Propylene glycol Benefits: Effective humectant and wetting agent preventing water loss in products and in the skin Increases skin permeability of active ingredients as it penetrates into the outermost skin layers Emollient and lubricant properties Excellent solubilizer of other ingredients Increases spreading of creams Use: Add as is to the water phase of the formulas, typical use level 1 8% in emulsions. For external use only. Applications: