This comb can be used to make sure flea control products are working properly. In addition, the closely spaced teeth on a flea comb allow you to examine the overall condition of the coat. Dry skin that may appear after bathing is easily detected when using this flea comb. For pets with skin afflictions, dried blood collected in the fine teeth of this comb will alert your customer that their pet may have a rash, sore or other problem. For short or medium hair dogs.