@ unirocker I have bee enjoying scalp acne from 2 years. i had taken dapsone 100mg for 3.5 months and stopped for no progress and continuing Betadine AD Now started DoxT 100mg and Lactovit tabs & continuing same shampoo. After 1 month Doc will check the progress and treatment goes on. One more thing, rec If any one know the permanent solution plz give .i ll treat him/her as God for sure..