is lichen planopilaris scarring alopecia
Lichen planopilaris (follicular lichen planus) is one such alopecia condition, and is classified as a primary inflammatory scarring alopecia. Classic lichen planopilaris (LPP) is a variant of lichen planus, a common skin disease that affects other areas of the body skin away fro mthe scalp.isease activity is limited to the hair-bearing periphery of cicatrized alopecia, and pustules are absent in this kind of alopecia. Features of end-stage lichen planopilaris can mimic other primary cicatricial alopecias, making it difficult to reach a proper diagnosis.