This article discusses some of the health risks inherent in very popular plug-in air fresheners that most people use in their homes on a daily basis. Some of the risks include hormone disruption, birth defects if used during pregnancy, and other reproductive harm. They can also cause asthma and other health problems.
"While this may seem dramatic, perhaps I’m not expressing this in
sufficiently dramatic terms. For starters, these are not “air
fresheners”. In no way are they actually “freshening” anything. While
your space may, in fact, smell quite nice, plug-in air fresheners are
continuously pumping pollutants into the air, day and night.
Phthalates, a class of synthetic chemicals that can wreak havoc on
health in myriad ways, comprises one of the ingredients in many brands,
and include di-butyl phthalate (DBP), di-ethyl phthalate (DEP),
di-isobutyl phthalate (DIBP), and di-methyl phthalate (DMP) (see Figure
3). Di-isohexyl phthalate (DIHP)."