问：我前几天去发廊将满头白发染黑，不想却招致痛苦，头部皮肤发红，剧痒，还流出好多黏液，连眼睛都肿成一条缝。这是为什么？是不是发廊用了劣质染发水呢？洪江市刘方历答：老年朋友越来越重视打扮自己，这是好事。可有的人在染发过后，头皮发痒起疹，长疱渗液，这便是“染? Q: I went to the hair salon a few days ago will be full of white hair black, do not want to cause pain, head and skin redness, itching, but also outflow of a lot of mucus, even the eyes swollen into a crack. Why is that? Hair salon is not used with poor quality hair it? Liu Fangli, Hongjiang City: Aged friends are paying more and more attention to dress themselves. This is a good thing. Some people may be in the hair after the scalp itchy rash, long blisters exudate, which is "stained?