Charlie Dog Flea and Tick Shampoo contains Clove Oil, Lavender Oil, Cedarwood and Citronella to guard against fleas, ticks, lice, mosquitoes and other pesky insects. This is perfect for the dog that rolls in the leaves or just takes a walk outside. Charlie Dog Flea and Tick Shampoo will help rid your pet of unwanted insects and continue to help repel insects long after you use it. Charlie Dog Flea and Tick Shampoo is safe for puppies, cats and kittens of all ages and has a gentle cleanser so it won’t wash off topical flea and tick products. Charlie Dog Flea and Tick Shampoo smells so good naturally, you’ll want to use it even if your pet doesn’t have any unwanted guests.