I am not familiar with Frontshield, and nothing comes up when I Google it......can you post the ingredients? Unfortunately my experiences with brands other than Advantage, Revolution, and Frontline are not good ones.
You shouldn't need a flea shampoo if you're using a spot-on. A mild shampoo that won't remove the spot-on would be best.
You shouldn't need a flea shampoo if you're using a spot-on. A mild shampoo that won't remove the spot-on would be best.