Research suggests selenium sulfide is just as effective as ketoconazole ... that drives seborrheic dermatitis. You can also try products with salicylic acid to soften and loosen scales and flakes ...

These include colloidal oatmeal, over-the-counter (OTC) products and medicated shampoos ... Antidandruff shampoos containing selenium sulfide work by slowing the death of skin cells.