Weleda Revitalising Hair TonicWeleda's Revitalising Hair Tonic with rosemary oil and extracts of horseradish and sedum acre improves the nutrient supply to the hair root, helps to reduces hair loss and promotes natural hair growth. It strengthens the hair and maintains a healthy scalp. Rosemary is stimulating and warming. Its aromatic scent encourages and activates the senses like the warmth of the sun, which is absorbed and internalised by the rosemary plant.