This clear, syrupy liquid has no color, odor or taste, and is derived from vegetable oils like rapeseed or coconut. It's a synthetic liquid that's completely soluble in water, so it helps skin retain moisture.
A highly effective humectant, propylene glycol helps the skin and hair absorb and retain moisture. It also absorbs excess water in a formula, reducing bacteria growth to help your products last longer. In haircare products, it softens the hair and makes it easy to comb through.