Our phthalate free fragrance oils were created strictly for use with our tulip car aroma diffusers only. However our oils can be used in oil diffusers, just add water to the oil diffuser reservior, then add 3 to 4 drops of fragrance oil. Enjoy!
CAUTION: Keep fragrances oils away from small children and pets. Keep away from heat sources and open flames. Eye, skin, inhalation and ingestion hazards exist.