?问:最近我的手指经常长倒刺,有人说,这是因为缺乏维生素和某些微量元素造成的,这是真的吗答:其实,手指长倒刺大多与缺乏维生素无关。缺乏维生素确实会引起皮肤问题,譬如脂溢性皮炎、毛囊过度角化、皮肤干裂等,但是手指长倒刺大多数和缺乏维生素无关,而是与皮肤干燥、全身代谢有关。由于指甲末端的角质层不断 Q: I often barb my fingers often, some people say that this is because of the lack of vitamins and trace elements caused by it, is it true? A: Actually, finger barb mostly with lack of vitamins. Lack of vitamins can actually cause skin problems such as seborrheic dermatitis, overactive hair follicles, dry skin, etc. However, most of the finger-length barbs have nothing to do with lack of vitamins, but are associated with dry skin and general body metabolism. Because of the constant cuticle at the end of nails