Ok. This is simple. Simple ingredients: Baking Soda is a is a freshener and deodorizer. Borax controls odors because the natural boron and salt in Borax make a natural disinfectant. 
Simply sprinkle it on the carpet and wait 5-10 minutes and vacuum it up. You can also sprinkle some of this in your car, on your upholstered furniture, or in your trashcan to freshen it!
See? Simple. 
Available in four different scents. Scoop included.