After you shave (legs) your hair grows back to its original length. How does it know it's been cut and how long to grow back? - Quora
I recently shaved my arm and half of my hair is growing back extremely slow, why are some hairs taking so long to grow back compared to others? - Quora
Hair Growth - Learn The Science That Determines How Fast Your Hair Grows — HairKnowHow.Com Professional Hair Testing Services - Hair Clinics, Trichologists & Private Clients
![i shaved my hair really close to my hairline, it looks weird, how do i grow it out really fast, and i mean reallllly fast : r/Hair i shaved my hair really close to my hairline, it looks weird, how do i grow it out really fast, and i mean reallllly fast : r/Hair](https://i.redd.it/doxqq185sdn81.jpg)