ZoGuard Plus fast-acting, long-lasting protection for dogs. It contains the same active ingredients and offers the same level of protection against fleas and ticks at a better value. Effective on fleas, ticks and lice, ZoGuard Plus for dogs is effective against all stages of flea life, effectively breaking the life cycle and controlling re-infestations. Kills 4 species of ticks, including those that transmit diseases. Quickly eliminate chewing lice. ZoGuard Plus Dog Raincoat is waterproof and will remain effective even after bathing, water immersion, or exposure to sunlight.