But to keep hair healthy, shiny, and vital, it is important to take proper care of it. Starting with regular hair washing. The shampoo Ziaja Med Strengthening Dermatological Formula helps to effectively remove all dirt, grease, and styling residues and other cosmetic products from the hair and scalp. It gives a una feeling of freshness and cleanliness and ideally prepares the hair and scalp to receive further care and support the effects of the active ingredients contained.