Many people believe that shaving hair causes it to grow backer thicker and fuller than it was prior to shaving. This belief rose from the observation that short hairs feel tougher than longer hair, but this is do not to the fact that it is thicker but simply because it is shorter and as with other objects, like a stick, the longer it is the more flexible but as it gets shorter it becomes harder to bend. Shaving hair does not make it grow back fuller or thicker because the part that is shaven is actually the dead part of the hair and the living part that dictates growth lies underneath the surface of the scalp. This rumor does not adhere to the scientific thinking principle of extraordinary claims because although hair appears to be thicker after shaving, upon closer scientific scrutiny it is revealed to be false. It is an extraordinary claim that does not have evidence to support it and is therefore scientifically unsound reasoning.
Shaving and Hair Thickness
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