vitamins and minerals that cause itchy scalp
Foods for Dry & Itchy Scalp. One of the more obvious causes of chronic dandruff and/or dry scalp is vitamin and mineral deficiencies. Try to eat more of the following foods, to increase your intake of zinc, Vitamin A, B vitamins and Omega 3 Fatty Acids: 1  Eggs, sweet potatoes, carrots, papaya (Vitamin A).roblems with fungi (and bacteria) are likely caused by your scalp being to alkali. This happens when you use hair products that remove the acidic sebum protecting your scalp against fungi and bacteria. 3. Scalp psoriasis â Psoriasis can cause dandruff-like itching and flaking.