Aroma diffusers use aroma to enhance a feeling of well-being. It works as inhalants in an effort to affect mood and promote health. Essential oils that are inhaled into the lungs offer both psychological and physical benefits. Not only does the aroma of the natural essential oil stimulate the brain to trigger a reaction, but when inhaled into the lungs, the natural constituents (naturally occurring chemicals) can supply therapeutic benefit. Diffusing eucalyptus essential oil to help ease congestion is a prominent example.
Aerial diffusion – the oils evaporate into the air. The aim is to give the air a specific fragrance or to disinfect it.
Direct inhalation – the person breaths the evaporating oils straight in. This is commonly used for respiratory disinfection, decongestion, as well as for psychological benefits.www.zlifearoma.com