商道 来源:荆楚网 时间:2023-05-09 17:46:13
(资料图片仅供参考)
每一根毛发都有一个专属的毛囊,毛囊中的黑色素细胞会不断合成黑色素,并输送到毛发纤维。但若毛囊中的黑色素细胞功能异常或是数目减少,头发颜色就会变浅甚至变白。一般白头发拔完之后,局部生长出来的仍是白头发,但并不会变得越来越多。
来源:健康中国
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