Propylene Glycol is the most common moisture carrying ingredient, other than water, used in cosmetics because it moisturizes better than glycerin. Is used as a wetting agent and surfactant which gives a product better absorption and promotes spreading of the product on the skin. Propylene Glycol is an emollient. Not to be confused with Ethyl Glycol which is used in anti-freeze and other chemical based products. According to the AMA's committee on Cutaneous Health emollients do help make the skin feel softer and smoother.
INCI: Propylene glycol
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