Oakwood's Medicated Flea Shampoo for Dogs with Sensitive Skin goes the extra mile to provide effective, soothing relief to dogs suffering from flea infestation. It's medicated with Permethrin to control the fleas themselves, and also contains active colloidal oatmeal to relieve the itchiness and irritation they cause. To use, don gloves and lather your dog with the shampoo, then let it sit for at least five minutes before rinsing. Weekly application is recommended. Note: This shampoo is specially formulated for dogs. Please do not use it on cats.