Dr Scent - oil diffuser for aromatherapy. Enjoy the soothing, healing, and relaxing scent of fresh fragrance at home, in your car, living room, and gym. The obvious benefit of essential oils is their wonderful aroma, but did you know that diffuse oil provides many benefits beyond pleasant-smelling aromas? Yes, this is correct. Depending on the oil itself, aromatherapy provides both physical and mental benefits.