After shaving, hair can grow back under the skin and beneath the surface, leading to a small, pimple-like bump known as ingrown hairs or razor bumps. Ingrown hairs can cause redness, swelling, and ...

Does cutting or shaving hair make it grow back faster, darker or thicker? What about tweezing or waxing? Shaving will not make sparse facial hair grow into a thick beard, or armpit or leg hair become ...