Wella System Professional Remove Shampoo effectively fights dandruff & prevents its return. Even Stubborn Dandruff is effectively combated using a mild base which is suitable for sensitive scalps, which also promotes healthy scalp & hair. Wella SP Remove Shampoos broad spectrum action is more effective than single anti-dandruff ingredients at dealing with all know causes of dandruff. To use: Massage into wet hair to form a lather. Rinse thoroughly.