Dr. Camp says it can be a cause for scalp scabs, and it also causes “flaky, pink patches on the scalp, eyebrows, ears, around the nose, and beard area.” ...

A dry scalp is caused by a lack of moisture and may be due to dry weather conditions, washing hair too frequently, product buildup, or using harsh shampoos or other hair products, explains Dr. Gratch.

Having a dry scalp is an uncomfortable, annoying sensation. It can lead to itchiness, soreness, flakiness and, in some cases, hair loss due to constant scratching.