👉 Chilblains, also known as pustular rosacea or rosacea, are a common skin condition that affects the skin on the face and neck. These red, itchy bumps can appear anywhere on the body, but they tend to occur more frequently in areas like the face, cheeks, nose, chin, forehead, and lips. The exact cause of chilblains is not fully understood, but factors such as genetics, hormonal changes, external environmental factors (such as pollution),