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导致头发分叉的4个原因
1、当头发长到一定长度时,发根部位的营养便会因为输送通道不畅而无法顺利送达发梢,进而造成发丝中的营养含量不足,出现发丝尾部分叉。
2、发丝表皮外层包裹着一层蛋白质,当它遇到热、酸、碱等外界刺激时,会变得脆弱、没有弹性,当这类损伤达一定程度,便会出现分叉且折断,除了发尾,发干等部位也会发生此种情况。
3、当发丝中的水分和胶原成分流失至临界点时,发干由圆形变扁,发丝空洞增多,也会造成头发的大量开叉。
4、从头发分叉成因来看,营养不良化学伤害、日光暴晒、过度造型、长期吸烟以及睡眠不足等也都有可能导致发丝开叉。