👉 Seborrhoeic refers to a skin condition in which the skin grows thick and crusty due to an overgrowth of dead skin cells. Seborrheic dermatitis is characterized by patches of dry, scaly skin that are often red or inflamed and can be itchy. The condition can occur on any part of the body, but it is most commonly seen in areas such as the face, neck, chest, back, and scalp. It is caused by an overgrowth