Customers love using our pure therapeutic grade essential oils and blends for topical applications. Now they can enjoy them in their personal space as well. Fran Ngong has partnered with Sparoom to bring you a premier ultrasonic oil diffuser, Puremist. To use: Combine 3-5 drops of your favorite essential oil with 100ml tap water to diffuse your oils. ... This is a powerful mister that provides a home spa experience that you will enjoy for hours.