Cookie Butter is a delicious dessert flavor that reminds you of warm cookies baked fresh from the oven. This warm, savory flavor has a very soft chocolate undertone, with a touch of butter to make it realistic. Enjoy our Cookie Butter E-Liquid today! Ingredients: USP Grade Propylene Glycol USP Grade Vegetable Glycerine USP Grade Nicotine Natural/Artificial Flavoring All of our E-Liquids are made fresh to order in a 50/50 PG/VG blend. For optimal flavor, we recommend a steeping time of 3-5 days.