And these are the four we'd recommend buying.

When you buy through our links, Business Insider may earn an affiliate commission. Learn more If you love filling your home with a signature scent, try using one of the best essential oil diffusers to ...

This white glass diffuser is as beautiful as it is practical, offering ambient lighting alongside the aroma oil of your choice. (It also comes in grey, too.) We're big fans of M&S' Apothecary range ...

This aroma diffuser not only mists fragrance into the room, but it has a rustic charm and simple style that's way above its ...