How to kill fleas on dogs<br>Wash your dog with flea and tick shampoo. While normal dog shampoo and dish detergent usually kill fleas, if you need something more potent, you could try a special flea and tick shampoo. [substeps] Read the shampoo label carefully to determine the proper way to use the shampoo for your dog.
Dish detergent is of limited efficacy compared to the recommended product.
The recommended product is flea and tick shampoo. dish detergent is less potent, thus of less efficacy