Fox-Fordyce disease (FFD) is a rare inflammatory disorder that affects the apocrine sweat glands. Clinically, lesions are equidistant, smooth, uniform, firm, folliculocentric papules, which can range in color from flesh-colored to red-brown to slightly yellow. Whereas the axillae are most commonly involved, FFD also can involve the anogenital and periareolar areas, lips, umbilicus, sternum, per...