John Paul Pet Tea Tree Shampoo with natural Australian Tea Tree Oil helps to heal and soothe skin irritations, while also helping control fleas, ticks and biting insects. Environmentally safe. All John Paul Pet shampoos are specially formulated with an exclusive botanical extract blend. The pH is just right for your pet's skin. Low lather for easy rinsing, coats are left shiny and soft with a fragrance that's pleasing to pets (no strong perfumes to irritate sensitive noses).