Our immune system and Alopecia Areata
The etiology of Alopecia Areata is unknown. We do believe it results from our immune system attacking our hair follicles. We know it can be reversed in the majority of patients.
Lichen Planopilaris remains a common and destructive scalp disorder. Topical steroids, intralesional steroids, oral antibiotics, and hydroxychloroquine are all standard treatments. This study shows that PRP may be another treatmetn option:
https://pubmed.ncbi.nlm.nih.gov/38525908/