this is the most correct advice for dandruff control.
ketaconzole is the most common ingredient.
but for me some brands are not working even ketaconzole 2% is used.
Eg. Nizoral is not working for me, but Conaz is working.
Correct.. If ineffective you can use higher concentration of Ketoconazole. Actually the dermatologists do prescribe higher concentrations if required. Thanks!