An herbal hair treatment you can use as a rinse for your hair to help relieve an itchy or flaky scalp.
Combine equal parts of dried rosemary, comfrey, witch hazel leaves and nettles to make about 1/2 cup. Add to 2 cups of water in a covered pot. Bring to a boil. Remove from heat and let steep overnight. Strain.
Shampoo and rinse hair as usual then use herb tea for a final rinse to relieve itchy, flaky scalp.