A member asked:

Does my back-hair grows thicker/longer if i shave it with a hair trimmer?

A doctor has provided 1 answer
Dr. David Krulak answered

Specializes in Family Medicine

No: Your body doesn't know that the hair was trimmed, because the hair has no nervous system to convey that information. Hence the body does not change how it produces the hair based on what you do with it. Hair may grow thicker and faster as a person ages, but that s only a coincidence.

Answered 7/5/2014

3.9k views

Thank

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