Have you been told you have lichen planis pilaris? Many people have never heard of this condition. That is because it is considered rare. It can impact the skin as well as the hair, nails, and the mucous membranes, creating several different symptoms in those who have it. For those who have the variety that impacts the skin, it typically causes flat bumps that itch and often turn a purple like color. In some situations, it can cause hair loss to occur. If you think you have this condition, treatment is important, and options may be available to help you.