Evaporative diffusers are pretty basic in how they operate. A fan blows air from the room through some sort of pad or filter that has essential oils dropped onto it. The air blowing through the pad causes the oils to evaporate more quickly than normal, and the air with the evaporated oil is blown into the room.
Another type of evaporative diffuser doesn’t require a fan to blow the oil around, but rather uses the air current existing in the room to subtly diffuse around a small area. These diffusers are usually personal diffusers such as necklace pendants, bracelets, personal oil inhalers, or pens. Some can even be absorbent beads placed in a mesh bag to diffuse in a small space.
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