All brand of shampoos are same.Anti Dandruff shampoo of all brands helps controlling Dandruff.Use Shampoo with any of the followings as ingredient -Zinc pyrithione- an ingredient which slows down the production of yeast.Selenium sulphide- this reduces the production of natural oils your scalp glands produce.Coal tar- this has a natural anti-fungal agent.Ketoconazole- a very effective anti-fungal. Most people who use this are pleased with the results.Salicylic acids- these help your scalp get rid of skin cells. It does not slow down the reproduction of skin cells. Tea-tree oil - This oil comes from the Australian Tea Tree ( Melaleucaalternifolia) . A growing number of shampoos now include tea-tree oil as one of its ingredients.