Go to the drugstore to buy colored music for washing your hair. Its concentration is very high. Another is to wipe the scalp with a cotton swab. It may be because I wash my hair too often and my scalp is dry. It's also because you may have oily skin. After washing your hair, you should properly use some nutritious water with moisturizing ingredients, which will relieve itching. After washing with shampoo, be sure to rinse it clean. Or use shampoo.