earnest living essential oil diffuser white ceramic diffuser (set of 2) 100 ml timers night lights and auto off function home office humidifier aromatherapy diffusers for essential oils earnest living aromatherapy is one of the best ways to create a soothing, relaxing environment, and our essential oil would help you bring that peacefulness into your life. just add a few drops of your favorite essential oils, and the fine mist will be emitted into your surroundings; you will instantly feel the calming sensation from nature’s scent, it is often used to improve sleep. when used without essential oil, the device acts as a humidifier to increase humidity in the air.