我的头发总是长得很快,一个月就要去一次理发店。可是,我的眉毛和睫毛为什么长来长去就那么长呢？A:要知道这个问题的答案,我们得先了解毛囊的生长周期。无论是头发还是眉毛和睫毛,它们都是由毛囊制造的,而毛囊的生长可分3个阶段:生长期、退行期和休止期。在生长期,毛囊细胞分裂十分旺盛,毛发会持续生长变长。生长期之后 My hair always grows fast, going to the barbershop once a month. However, why my eyebrows and eyelashes long to go that long? A: To know the answer to this question, we have to first understand the growth cycle of hair follicles. Whether hair or eyebrows and eyelashes, they are made of hair follicles, while the growth of hair follicles can be divided into three phases: growth, degenerative and resting period. In the growing season, hair follicle cell division is very strong, the hair will continue to grow longer. After the growth period