Scratching these spots can lead to scabs. You can also use mineral oil or olive oil on your scalp. Let it sit for one hour, then brush out your hair. That may help with dry, crusty patches.

The underlying dry scalp also be worsened by cold weather ... on the scalp is usually accompanied by oily skin patches that are oily, crusty, or yellowish. Dandruff shampoo may help relieve ...