Matrix hair styling products. BIOLAGE SCALPTHERAPIE Anti-Dandruff Shampoo. It purifies and cleanses hair with dandruff, helping to relieve discomfort that causes flaking. Among its components we can find Pyrithione Zinc that prevents the bacteria that causes dandruff keeps growing and to be visible over the scalp and the Bio-Cushion Complex that soothes irritation. Your hair will be soft, manageable, shiny and free of dandruff.