Vitiligo: A skin disease that causes a loss of skin color in blotches. Vitiligo occurs when pigment-producing cells die or stop functioning. The loss of skin color can affect any part of the body, including the mouth, hair, and eyes. It may be more noticeable in people with darker skin.
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Lichen Planus: Lichen planus is an inflammatory condition of the skin and mucus membranes. Lichen planus occurs when the immune system mistakenly attacks cells of the skin or mucous membranes.
On the skin, lichen planus appears as purplish, itchy, and flat-topped bumps. On mucous membranes.....Read more