Port Wine Stains ■ A port wine stain is a birth mark in which swollen blood vessels cause reddish purple discolouration of the skin.  ■ They are usually flat and pink initially, with ageing, become dark red to purple with a cobblestone appearance.  ■ Selston Cosmetic Clinic provides the latest cutting edge, safe and effective cosmetic medical treatments for port wine stains. Port wine stains can be treated by : |