Adams Plus Flea & Tick Shampoo is our top pick in this category. This shampoo kills adult fleas, ticks, and lice on contact. In addition to eliminating active infestations, the active ingredient Precor, an Insect Growth Regulator, controls flea infestation for up to 28 days. This shampoo works on cats, dogs and puppies 12 weeks and older.
This shampoo is enriched with aloe, lanolin, coconut extract, and oatmeal to help condition the skin and coat, while removing loose dandruff, dirt and scales. It is lightly scented and leaves your dog’s coat soft and shiny.
The manufacturer recommends about 1⅓ tablespoons for every 5 pounds of your pet's weight.
Top Runner Ups
Vet’s Best Flea and Tick Advanced Strength Dog Shampoo
Veterinary Formula Flea and Tick Shampoo for Dogs and Cats
TropiClean Natural Flea & Tick Maximum Strength Shampoo for Dogs