FLEA & TICK SHAMPOO, a Conditioning Shampoo Concentrate - 1 Bottle Makes 5! Pyrethrins, nature's own insecticide, has been added to a baby-mild Protein-Lanolin Shampoo base providing maximum effectiveness in killing fleas, lice, and ticks. Cleans gently without stripping essential oils from skin and gives the coat a healthy sheen. Rinses easily leaving the coat manageable and fresh smelling. Safe with Proban®. Safe for puppies and kittens. biodegradable, pH balanced.