Washes up pets without washing out their flea control. Laboratory tested and proven, Bio Guard means extra confidence. Wont remove Bio Spot, Frontline or Zodiac spot-on flea control products. Gentle, water-based formula lathers up quickly, rinses out easily. pH-balanced-wont irritate skin. Conditions coats and leaves a fresh, clean scent. Gentle enough to use on kittens and puppies.