Question: what is the best shampoo to kill fleas on dogs?
Answer: Adams Plus Flea & Tick Shampoo With Precor for Dogs and Cats. ...  Hartz UltraGuard Rid Flea & Tick Shampoo for Dogs With Oatmeal. ...  Vet's Best Flea Itch Relief Shampoo. ...  Natural Chemistry De Flea Pet Shampoo. ...  Sentry Flea and Tick Shampoo With Oatmeal.