Medically reviewed by William Truswell, MD Key Takeaways The overproduction of sebum can cause scalp buildup. If left untreated, it can lead to symptoms and complications.  Home remedies like regular ...

Sebum is an oily substance that protect and hydrate the skin’s surface. It mixes with fat molecules, called lipids, to form a protective coating on the skin. The sebaceous glands produce sebum. It ...