- NO HARSH CHEMICALS – Unlike traditional flea shampoos, Our Flea & Tick Shampoo is gentle and safe. We use 100% all-natural actives to kill fleas and ticks rather than harsh chemicals. Made with 5 therapeutic essential oils, Vitamin E & Aloe Vera, this dog shampoo smells great and soothes irritated skin while it works hard to rid your dog of fleas and ticks. It is an amazing mix of plant based goodness for your pet's fur and skin.