👉 Ocellicystic is a medical term used to describe various types of skin conditions that can occur due to an overgrowth or accumulation of keratinocytes in the dermis. These cells are responsible for producing hair, nails, and other structures on the skin, but when they become too large, they can start to look like a "clump" that appears as a white patch on the skin. The exact cause of ocellicystic is not fully understood, but it is believed