PG Description: clear, colorless, slightly syrupy liquid at room temperature. Practically odorless and tasteless. It is a chemical made by reaction of propylene oxide with water.
VG Description: clear liquid typically made from soybean, coconut or palm oils. It is odorless and has a mild, sweet taste with a syrup-like consistency
PG Common Use: Heat Transfer Fluids, Fragrance, has an unsurpassed reputation for safe use in a wide range of consumer products, including food products (to keep foods moist), animal feed, cosmetics, as well as industrial applications. It's used as a stabilizer (to keep things held together, and keep them from evaporating). It's used in many of the foods that we eat, and the FDA deems it safe for human consumption.
VG Common Use: Vegetable Glycerin is widely used as an agent in toothpaste, cosmetics, shampoos, soaps, and other household items. It helps to improve dry, flaky skin and this product is also known to be a lip moisturizer that can be used instead of lip balm. It is also used to prevent hair frizziness and brighten up your nails.