Skin cancer is the most common type of cancer. Flesh-colored bumps on your head and recurring sores on your scalp can be indicators of skin cancer. Though uncommon, other types of cancer can also ...

The bumps will likely occur in the same areas ... provider for topical treatments that can help. Any rash or sores on your scalp may scab over. They may become infected, too.

Scabs on the scalp can be caused by inflamed hair ... This can result in inflamed acne-like bumps that are usually sore, tender, and scab when they're picked at or scratched, says Massick.