1,3-Propylene Glycol, 1,3-Dihydroxypropane, 1,3-Propanediol, Zemea Propanediol
分子式：C3H8O2 分子量：76.09 Cas No：504-63-2; 26264-14-2
"A glycol that can enhance the absorption of ingredients (such as salicylic acid) into the skin. Propanediol can be derived naturally (from corn) or synthetically. It has hydrating properties that may leave a smooth, dewy finish. Propanediol is a well-tolerated ingredient, not likely to cause sensitivity."