What are Keratin Plugs? Keratin plugs, also known as keratosis pilaris (KP), are tiny bumps that form when the protein keratin and dead skin cells clump together and clog hair follicles. Keratin is a crucial component of your skin, hair, and nails. In healthy skin turnover, dead skin cells shed naturally. However, with KP, this … Continue reading Keratin Plugs: Causes & Treatment