Nyx Reborn
You can also use sage, burning it cleanses the area and items as well.
XD I was gonna suggest sage too, but you beat me to it!
If you don't have access to an occult store or herb shop, you can buy sage at any grocery store in the spice section. It's usually available as either "ground sage" or "rubbed sage". Ground sage is like a really fine dust, and rubbed sage is in little flakes. Most grocery stores will carry a line of organically-grown spices--however, they are generally more expensive. It's up to you.
A bundle of sage would be easiest for smudging (cleansing things with smoke from herbs) but sometimes we have to adapt & improvise. Also, if you're working with burning ANYTHING, REMEMBER FIRE SAFETY.
I went through a house fire that pretty much destroyed just about everything I owned when I was in 11th grade, so I'm very careful when I burn anything.
(The fire had nothing to do with me, it was an electrical fire, but even so. Better safe than sorry.)