When I was a boy my mother had that then it was called lack of pigmentation, its something she had till she died, could never sit in the sun as she would burn badly, and that was something she loved doing, she loved sitting in the sun and getting a good tan. It can also be Lichen Sclerosus (LS) is a skin condition that makes the vulva look white, slightly shiny, and smooth. ... Lichen Sclerosus can also cause the skin of the inner lips of the vulva to change and shrink or get smaller. In severe cases, scar tissue can form. For example, scar tissue can cover the clitoris which can be painful.