An allergic reaction or hypersensitivity reaction to a hair product or something else in your environment can cause bumps on your scalp. Hives may itch, peel, or feel dry and scaly. They typically ...
Scalp psoriasis can be mild and almost unnoticeable. But it can also be severe, last a long time, and cause thick, crusted sores. Intense itching can affect your sleep and everyday life ...