A
diffuser is a device used to disperse essential oils into the air,
releasing their scent and their aromatherapeutic effects to be inhaled.
The most common type is the aroma lamp, a small
tripod that holds a small bowl over a candle or tealight. Water and
essential oils are placed in the bowl. When the candle is lit, it heats
up the water, gently releasing the volatile vapors of the essential oils
into the surrounding air. Devices of this type can contribute to both
the ambiance and the atmosphere of a home, and they come in a wide
variety of styles to suit any decor, from stark deco to the most rococo
and ornamented.
Another
common type is the light bulb ring, a ceramic ring that fits on top of a
light bulb with a rounded top. The ring has a groove around the top,
into which a person can drip essential oils, and the from the bulb
evaporates the oils, releasing them into the air. This type of diffuser
is handy for situations in which burning a candle might be dangerous or
not allowed, such as in an office environment. As a note on etiquette,
people who are in shared office space and wish to diffuse essential oils
should check with their coworkers for allergies and preferences. It’s
also important to note that this type of device might not work with
compact fluorescent lights, which are usually shaped differently and do
not generate as much heat.
A
simple unglazed ceramic pot can also be used as a diffuser. This type
is typically glazed on the bottom and part way up the sides to protect
the surface it are sitting on. Putting water and essential oils in the
pot allows the mixture to seep into the ceramic medium and evaporate,
releasing the scent and effects of the oils.
Electric
devices are also available, and they typically come with absorbent pads
that the user soaks in essential oils and place in the machine. Like an
air cleaner, this type blows air over the oil-soaked pad and out into
the room. These can waste costly essential oils, however, and make a bit
of a hum, which can get annoying.