Hello @lima, welcome to Connect. I'm sorry you are struggling to find help for a treatment for your condition. I'm tagging our moderator Kanaaz @kanaazpereira to see if she can move your discussion to the following discussion so that you can meet others with similar symptoms and your post will have more visibility.

Groups > Autoimmune Diseases > Erosive oral lichen planus
-- https://connect.mayoclinic.org/discussion/erosive-oral-lichen-planus/

Also, I saw the following clinical trial that may be of interest to you.

Mayo Clinic - Valchlor in the Treatment of Lichen Planopilaris
-- https://www.mayo.edu/research/clinical-trials/cls-20387109

John