eriti murdeealistel esinev nahahaigus, mille sümptomiteks on mh. rasune nahk ja naha rasunäärmete ummistumise tõttu tekkinud rasupunnid ehk komedoonid, a skin condition caused when a follicle becomes plugged by dead cells, bacteria and sebum below or at the surface of the skin (papules, pustules, cysts), a chronic skin disease common in adolescence, involving inflammation of the sebaceous glands and characterized by pustules on the face, neck, and upper trunk