职业性痤疮是指在劳动生产过程中,由于接触焦油、沥青、高沸点的矿物油类或氯及氯化物引起的一种皮肤损害,使毛囊上皮增生、角化过度、阻塞毛孔所致,多发生在身体易受污染的部位,如面部、手背、前臂、四肢的伸侧、肩部等处。起病初期,在受污染的部位呈毛囊性改变,即在扩张的毛囊口发生黑色的角质栓塞,稍痒,病情进一步发展,皮肤损害可 Occupational acne refers to the production of labor, due to contact with tar, asphalt, high boiling point mineral oil or chlorine and chloride caused a skin damage, the hair follicle epithelial hyperplasia, hyperkeratosis caused by blocking the pores, and more Occurs in parts of the body vulnerable to pollution, such as the face, back of the hand, forearm, extensor limbs, shoulders and other places. Early onset, was contaminated parts of the hair follicles were changed, that is, in the expansion of the hair follicle occurred black keratinized plug, a little itchy, the disease further development of skin damage can be