So much for that bikini wax! Hair removal near your vagina, whether via wax or razor, can cause pubic hair to grow back into the skin. The resulting bump is unsightly, and sometimes painful. Ingrown hairs are especially common among women with dense, coarse pubic hair, Ross says, "usually along the line between the body and the leg, wherever the elastic on your underwear goes." Use a hot compress if the bump is painful and avoid waxing or shaving in that area. Ingrown hairs may come out naturally; but if you want to try other removal treatments, talk to a doctor. Contact your doctor too if the skin nearby is red or pinkish as you may have an infection and require antibiotics.