“…[5] In the former, a group of rare disorders (lupus erythematosus, lichen planus, graft vs host disease, scleroderma, dermatomyositis, sarcoidosis, malignancy, etc .,) destroys the hair follicles to replace it with scar tissue and cause permanent hair loss. In non-cicatricial alopecia, the underlying cause is usually the drugs apart from androgenic alopecia.…”