由于烫发的目的就是强调表现个性美,而每个人的发质又不尽相同,所以烫发师在给客人操作前要先给客人的头发做一次诊断,有许多事一定要预先弄清楚——比如说头发是软还是硬,头发是否被染过。重要的问题之一是头发的薄厚,薄薄一层的头发比厚厚一层头发起卷儿快得多。头型也是非常重要的因素之一。人们已经发现圆形头斜剪后做卷儿最为有利。椭圆头型就相对困难。还有发质问题,有的发质用尽各种办法都不起卷儿。头发的主要成分是角质物,在显微镜下角质物呈链状排列,也就 Since the purpose of perming is to emphasize the beauty of individuality, and each person’s hair is different, so the perm teacher to the guests before the first hair to do a diagnosis to the guests, there are many things must be clear in advance - such as Say hair is soft or hard, hair is dyed. One of the important issues is that the thin, thin layer of hair is much faster than the thick layer of hair. Head type is also one of the very important factors. It has been found that it is most advantageous to make a curly child after a round head is slipped. Oval head type is relatively difficult. There are hair problems, some hair exhausted various ways can not afford to roll children. The main component of hair is keratin, keratin in the chain under the microscope arrangement, that is