Aroma diffusers are small tools that are used to help diffuse essential oils into the air to help spread the fragrance. It includes a tool made of clay, ceramic or glass in most cases with a bowl that is used to contain the essential oil under which an candle is burnt. The burnt candle heats up the bowl releasing the sweet smelling fragrance of essentials oils into the air. There are other types of aroma diffusers available that are either battery operated or require electricity to be powered up.
Aroma diffusers are a form of Aromatherapy that helps relax the mind and body.