<prompt> Fordyce disease most commonly effectsLipsNeckBuccal mucosaTrunk  <response>: FSs are ectopic sebaceous glands seen commonly on the lips upper lip lower lip, buccal, and genital mucosa. Infrequently, they can also be seen on oesophagus, uterine cervix, sole of the foot, and tongue. Histopathologically, a FS consists of a sebaceous lobule or gland located in the dermis. The Dermoscopy of FS on the penile shaft has been described and it shows vascular garlands-like aspect whose bows seem to wind around yellowish bunch-like lobules without crossing them iadvl textbook of dermatology 