Wella SP Clear Scalp Shampoo works to protect against new dandruff formation from the first wash making it a valuable weapon in the fight against flakes.An essential component of the SP Clear Scalp line, Wella SP Clear Scalp Shampoo is formulated with the Dermacalm Complex which effectively yet gently clears the hair and scalp of even the most stubborn dandruff while fighting the formation of new dandruff.