Intensive treatment with weekly application that deeply moisturizes the scalp and relieves irritation. The Dermacalm complex, which is the basis of the Balance range from System Professional , soothes the scalp and helps build its own protective barrier. In this way, the epidermis is protected against irritation. Strengthens the protective layer of the epidermis. Leaves hair feeling smooth. INSTRUCTIONS FOR USE: Apply the mask to a brush and apply directly to the scalp. Massage the hair and skin. Leave the mask on for 5 minutes. Add a little water and massage. Rinse with plenty of water. The products in the System Professional Derma range are designed to improve scalp health.