Dipropylene Glycol (commonly known as DPG) A colorless, odorless, cosmetic grade liquid. Mix with fragrance oil to make incense! Also works for making your own Liquid Potpourri for use in simmering pots, light bulb rings, and refreshing dry potpourri! Incense Instruction Sheet Potpourri Instruction Sheet Note: This item is skin safe. INCI name: Dipropylene Glycol It can be used in a wide variety of formulations including * Roll on perfumes * Lotions & creams * Deodorants & antiperspirants * Bath & shower products * Hair care & shaving products (excerpt from www.bittercreek.com) I'll see if I can find the online store that has a base and give you the link for that too.