Question: what is dpg in perfume?
Answer: Dipropylene Glycol LO+ (DPG LO+) is a high-purity product, designed for use in odor-sensitive applications such as fragrances and cosmetics. The material, a distilled product with purity greater than 99.5% as dipropylene glycol, is a liquid that is practically odorless, colorless, water-soluble and hygroscopic.