Aromatherapy machine and essential oil description1. The difference between aroma diffuser and humidifier.The material of the aroma diffuser is concentrated essential oils. After power on, the essential oils are atomized into tiny fragrance particles to diffuse, so that the space is full of comfortable fragrance profile. As for  humidifier,it heats the water, the essential oils spread out through a fan, and water-base oils are used . The fragrance does not last long compared with an aroma diffuser.2. What are the benefits of a household aromatherapy machine.Let the fragrance fill the room, create a wonderful and relaxing atmosphere for your bedroom, bathroom, living room, office, improve the quality of life, and enjoy a warm time with family and friends3. What are the benefits of a commercial aromatherapy machine.Scent marketing is a popular consumer experience service at the moment. A specific fragrance can make customers feel happy, increase their attention, memory, and sense of identity, so that they can stay in the store for a longer time.4. Can essential oils be mixed with water? Is it harmful to the human body?Our essential oils are pure plant extracts and cannot be mixed with water.Essential oils have passed SGS and other testing certifications,no harmful.