head and shoulders is primarily zinc. you may want to try a shampoo that contains selenium (selsun blue. make sure to read the label since some do not contain the selenium). you can also ask your medical provider for a prescription selenium-containing shampoo to use.
i've been using medicated head & shoulders for seborrheic dermatitis for almost a year now. should i keep using it? . very itchy scalp with oily dandruff