TropiClean Natural Flea & Tick Soothing Shampoo for Dogs kills fleas and ticks by contact while cocoa helps to soothe irritated skin. Formula contains some of natures most powerful pest fighting ingredients and is maximized with lemongrass oil for long-lasting repellent effects. When used as directed, shampoo is suitable for routine pet baths and helps to repel fleas for up to 7 days. TropiClean Pet Products are cruelty free. 20 oz.