"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Essential oils diffusers are known to be, well, meh. When you want to add a pleasant scent to your home, ...

Many people wonder how and why to use an essential oil diffuser. You'll want to fill it with filtered or bottled water to a diffuser, then add a few drops of essential oil like lavender, peppermint, ...