TropiClean Natural Flea & Tick Maximum Strength Shampoo kills fleas, ticks and mosquitoes by contact. Tropiclean's maximum strength formula repels fleas for up to 7 days. This natural essential blend contains some of nature"_s most powerful pest fighting ingredients, maximized with lemongrass and sesame oil, for long lasting effects. Powerful and effect but safe enough for routine pet baths on dogs, cats and puppies 12 weeks and older. FEATURES Kills Fleas & tick on contact Safe for dogs & puppies Repels Fleas for up to 7 days Soothes irritated skin AVAILABLE SIZE - 592 ml (20 FL OZ) INGREDIENTS Clove oil, lemongrass oil, cedarwood oil, cinnamon oil, sesame seed oil, sodium laurly sulfate (natural), water, xanthan gum, glycerin.