New ... ScentsOil ... the latest in aromatherapy oils. ScentsOil is an innovative formulation that moves Aromatherapy from casual to everyday use. Best news ... it lasts 10 times longer than traditional dropper based aromatherapy oils. Finally your Aroma Burners and Diffusers can be a focal point of everyday life. ScentsOil is sold in 4 oz bottles, with an EZ-FILL Pour Spout and is available in 16 Fragrant Colors. No mixing with water is required. Another outstanding product from Tropical Lights, Inc.