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…abnormalities. Propylene glycol is industrially made from propylene oxide. It is made from either a catalytic or a non-catalytic method which exposes the propylene into extremes of temperature and a small amount of sulfuric acid or alkali to yield propylene glycol for industrial purposes. The final product is purified and processed to be used for cosmetics and personal skin care products that we use every day. The use of propylene glycol was…

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