Sage is the herb most people go to when trying to rid a house or room or business of negative energy of any kind. Sage is used in a specific cleansing ritual to rid an area of an unwanted spirit.
Sage has been around thousands of years and known for its healing properties. White sage is best for cleansing an area of unwanted spirits.
There are though, many types of sage bundles. IF you are looking to use sage to cleanse an area of any type of unwanted negative energy it is best to research your specific area of need and make sure you get the best type of sage for your situation.
The Native American Indians have long believed in sage and its abilities.
There is also a great cocktail made with sage, for those wanting to do a little internal cleanse while they do a sage ritual.
While using sage to rid an area of any unwanted spirit please make sure at the end of the ritual all the people in the room take the sage and do a "sage shower"
The following is a website that list other ways to rid an area of unwanted paranormal activity.