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Genetic and Rare Diseases Information Center (GARD)

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Lichen planus follicularis

Other Names for this Disease
  • Follicular lichen planus
  • Lichen planopilaris
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Your Question

Could the cause of this condition be dietary or environmental (i.e. shampoo)?

Our Answer

We have identified the following information that we hope you find helpful. If you still have questions, please contact us.

What causes lichen planopilaris? 

The cause of lichen planus is unknown but it is thought to be an autoimmune disorder in which white blood cells attack and destroy skin cells expressing unknown antigens. Triggering factors may include pharmacologic agents, contact sensitizers or infectious agents.[1]
Last updated: 11/15/2013