What is the fine-grained topic of the following text: "Put it out in a light dusting around the baseboards, edges of the carpet; you can actually even put this on a mattress, on the box springs, and it's a very benign material, but it sticks to the bedbugs, absorbs the wax layer on the outside of their body, and basically dries them out." Only return the topic.
Bedbug removal using dusting treatment