英文阅读：刮掉的体毛会长得更浓更密吗

英语自学网

　　人们习惯上认为，刮掉的体毛重新长出来后会变得更浓更密。而且，新长出的体毛看起来似乎也真的是更粗了。那么，事实的真相真的如此吗?下面我们就来进行一下原理分析。
        　　Your mother always told you that if you shave a part of your body the hair
will return with a vengeance, causing you to look like a gorilla. And the beauty
therapy clinics all promise to rid you of unwanted hair forever with just a few
sessions of waxing. Is either of these true or just old wives' tales?
        　　In fact, shaving does not make your hair grow thicker, but it may make it
appear thicker. Shaving cannot damage your hair follicle because a razor cannot
go under your skin where the follicle is.
        　　When your hair grows from the follicle it is tapered on the end. When you
shave it you just made the end blunt so it feels coarser than it did, giving the
illusion that it is thicker. However, as it grows, the end will become tapered
again because of it rubbing against things like your pillow, and even from the
wind. Elements wear it down and it becomes softer again because it is not
blunt.
        　　So shaving doesn't affect hair thickness or color. Shaving your hair is the
same as cutting your hair; you are just cutting it shorter. The follicles you
have are the ones you're born with and they're certainly not going to increase.
You can wreck your follicles, but definitely not by shaving. Only by waxing,
tweezing, or permanent hair removal. You actually have to go in and zap it with
a laser to kill it, or you have to repeatedly pull the hair out of the follicle
as it grows. This second process takes years to cause damage to the
follicle.