Keywords: AGA; FFA; LPP; MPHL; PHL; alopecia; androgenetic alopecia; autoimmune; beard loss; body hair; cicatricial; cicatricial alopecia; dermatology; eyebrows; facial hair; fibrosing; fibrosis; frontal fibrosing alopecia; hair; hair loss; hair loss in men; hair specialists; itch; lichen planopilaris; loss; male pattern hair loss; men; misdiagnosis; multicenter; pattern hair loss; pruritus; retrospective review; scalp itch; scalp symptoms; scarring; scarring alopecia; sideburns; specialty hair clinic; sunscreen.