[header] How to clean your scalp [title] Use a clarifying shampoo. [step] Once a month, you should wash your hair with a clarifying shampoo. Leave the clarifying shampoo on your scalp for three minutes (or just follow the instructions on your shampoo). 
This will help remove buildup and dead skin cells. [substeps] Clarifying shampoos can strip hair color, so use them before you get your color done again.