Welcome @suzannemoe, It's great to see that you have connected with @charlottet and @pennybieler58. I just thought I would jump into the discussion and share an article from 2022 to see if it may be helpful.

-- Lichen Planopilaris Responsive to a Novel Phytoactive Botanical Treatment: A Case Series
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9276860/
Google Scholar also shows 3 newer articles from 2024 - https://scholar.google.com/scholar