Natural Defense Flea Shampoo cleans, conditions and is proven to kill adult fleas on dogs and puppies using natural ingredients. Contains lemongrass, clove and thyme oils. Fresh spice scent. Apply to thoroughly wet coat, work into lather down to skin; let stand 5 mins, then rinse. Do not use on puppies under 12 wks of age. Veterinarian tested. Safe for use around children and pets.