Medically reviewed by Katlein Franca, MD An inner-thigh rash may be caused by a variety of factors, including friction, ...

I was always told to shave legs against the direction of hair growth, as this is meant to reduce razor burn and ingrown hairs. Swipe, take the razor off the leg, and repeat until all the hair is gone.

Shaving doesn’t only leave your legs smoother. It can also cause razor bumps on the legs. These are a type of ingrown hair that develops when cut hair curls and grows back into the skin.