Air freshener has a variety of flavors, such as single floral type (jasmine, rose, sweet-scented osmanthus, bell orchids, gardenia, lily, etc.), complex flavor, etc. but basically is by ether, essence composition of air freshener can also be called "Environmental perfume", in recent years a variety of air freshener quickly popularized.
At present, the market for the air freshener has many kinds of formulations to choose from, if the appearance of different types of words can be divided into solid, liquid, aerosol three kinds.
Liquid air freshener is usually used as the volatile body into a liquid aromatic agent, such as a blanket or filter paper, used to absorb the liquid to disperse incense. The car perfume on the driver's cab is this product. The disadvantage is that the liquid will spill when the container is overturned. So recently there are manufacturers of "microporous ceramics" to do the container, can be loaded into the flavor after sealing with the lid, aroma from the container wall slowly out. Aerosol air freshener is currently the most popular, it has many advantages: easy to carry, easy to use, fast spread incense and so on.