It’s a type of birth mark
The defect leads to dilated capillaries in the skin, resulting in a reddish to purplish discolouration in the affected area.
The distinctive colour is why the mark is most commonly referred to as a ‘port-wine stain’. Because it looks like wine. Get it?
It looks like a wine stain
Other well-known people with a firemark include Mikhail Gorbachev (forehead) and Tina Turner (right shoulder, back). Do you have one?
