Shaving your pubic area can cause red bumps due to skin irritation or ingrown hair. When you have an ingrown hair, it sometimes looks a bit like a herpes lesion. Most hairs will come up through the skin without a problem, but sometimes hairs begin to grow back curled or directionally challenged. Oct 9, - I have an ingrown hair on the side of my shaft twoards the bottom. Its not like a little ingrown hair, its turned into a sizeable bump. Has anyone.