Lichen simplex chronicus is a condition where repeated scratching or rubbing of a site creates a localized, itchy, thickened, leathery patch of skin.
Lichen sclerosus is a chronic skin condition that affects the genital skin. The affected areas become thin, white, crinkled, irritated, and/or intensely itchy.
Lichen planus is an inflammatory condition that can affect the skin, hair, nails, and mucous membranes (such as the mouth and genital region). Learn more.