What causes itching and dandruff?

The cause of itching and dandruff, there may be head skin infected with fungi, so that the head skin showed ringworm, then will show a lot of dandruff, accompanied by scalp itching. If suffering from psoriasis, it may also cause itching, dandruff more. The cause of itching and dandruff, there may be head skin with seborrheic dermatitis caused. Causes seborrheic dermatitis, is the head skin sebaceous glands are more developed, will show secretion of oil, if not able to clean up these oils in time, it may cause itching dandruff, then you can use skin health lotion and other drugs to control oil, but also can play a role in sterilization.