So there are many companies and many styles of diffusers but, here is a link to allure.com essential 11 diffusers for those who need a good starting point. ( Click the picture below ) Many of them have lighting functions and can also serve as a decorative piece for a room to help set mood lighting and to drift away after a long day.
Now once you've made your selection how do you use them?...Don't worry I got you on that too! Here is a quick shot informative video on how to and some benefits!
Alright guy's hope all that helped, Have a great day!!!