Everyone loves when they walk into a home or office and there’s a pleasant aroma in the air. There’s nothing worse than having a bad smell in the air. Luckily, there are products in the market to fix this. Plug-in air fresheners took the market by storm. All you have to do is plug them in and they do the rest of the work. The room smells like vanilla and everyone’s happy right? Maybe not. Could be doing more harm than good for your home?