Examples include selenium sulfide shampoo 2.5% applied to the skin (in 10-minute applications daily for 1 week or 24-hour applications weekly for 1 month); topical azoles (eg, ketoconazole 2% daily for 2 weeks); and daily bathing with zinc pyrithione soap 2% or sulfur-salicylic shampoo 2% applied to the skin for 1 to 2 weeks.