1.3-Propanediol is a kind of propylene glycol, which is colorless, transparent, viscous and hygroscopic. It contains 1.3-Propanediol in daily facial cleansers, essence, cosmetics removers, facial mask, ointment, etc. It can mainly play the role of hydrophilic and moisturizing, can effectively help water molecules dissolve skin dirt, and also help the active ingredients in cosmetics penetrate into the skin. It is generally harmless to the skin. When used, it should avoid excessive dryness of the skin.
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Some people may experience skin burning and itching when using skincare products containing 1.3-propanediol, and novel people may also experience skin damage such as erythema and papules. Therefore, high concentrations of 1.3-propanediol should be avoided when using to avoid skin irritation.
