Wella SP Clear Scalp Shampeeling Experience long term freedom from dandruff with Wella SP Clear Scalp Shampeeling a regulating intensive anti-dandruff treatment. It sustainably fights stubborn dandruff for up to two months after regular treatments over a four week period. Directions of use: Use in place of shampoo 3 times per week. Apply sparingly directly onto the scalp into damp hair & massage in gently. Allow to take effect for 2 minutes. Rinse out thoroughly.