Combo Pack of 2: USP Grade Propylene Glycol & Cosmetic Grade Dipropylene Glycol (8oz Each Bottle Total 16oz) Premium Quality Product For Manufacturing 8oz Certified USP & Food Grade Propylene Glycol (PG) + 8oz Certified Cosmetic Grade Dipropylene Glycol (DPG) Premium Quality To Achieve Excellent Results Odorless, Crystal Clear & High Solubility Proudly Made in USA Has a multitude of uses in food preserving, toothpaste/soap making, moisturizers, fog machines, neutral oil bases and so much more.