Aside from its moisturizing characteristics, propylene glycol is also a safe and effective solvent for pigments in soaps and body wash, as well as an excellent carrier of scent. Unlike ethylene glycol, Propylene Glycol is completely non-toxic to humans and animals. This makes it a safer alternative to traditional antifreeze and de-icing compounds. Propylene Glycol is often added to baked goods, icings and frostings, candies, and more. The properties of PG help keep food moist and preserve it. It can also be used to evenly distribute natural flavorings into a recipe by diluting concentrated extracts for ease of mixing. Propylene Glycol is non-toxic and easily metabolized. Propylene Glycol is very common in the cosmetics industry as a moisturizer. It is also effective in fragrances and perfumes as a long-lasting carrier of scent.