The use of this plant paired with other herbs will provide a synergistic effect. It will be useful for your hair if you use the root of the calamus in the composition of the useful collection. To do this, you can take calendula flowers, hop cones, burdock root. Take these components equally one spoon, add the same amount of calamus, pour a liter of hot water, insist for at least an hour, it is better to do it in a thermos.