為何身體各部分毛髮的生長速度、長度,都會不一樣? - 酒精
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By Queena
at 2008-02-15T00:00
at 2008-02-15T00:00
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為何身體各部分毛髮的生長速度、長度,都會不一樣?人體的頭髮,是無限的生長,直到被外力拉扯or約三年的壽命盡了,才會掉落。人體的眉毛、腋毛、體毛、睫毛,都有自己的一定長度,就算剃/剪/拔掉了,再長出來的長度、密度,也還是跟原本的一樣。請問:這是大腦的哪種機制在控制的?這些身體的毛囊細胞,跟頭髮的毛囊,有哪裡不同?假使想讓部分毛髮濃密,例如眉毛,有啥科學的方法嗎?(傳統抹生薑、擦酒精.....的方式,對很多人是沒
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酒精
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By Audriana
at 2008-02-18T19:36
at 2008-02-18T19:36
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