{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,27]],"date-time":"2026-08-27T05:31:50Z","timestamp":1787808710299,"version":"build-2784847793"},"reference-count":82,"publisher":"MDPI AG","issue":"6","license":[{"start":{"date-parts":[[2025,3,12]],"date-time":"2025-03-12T00:00:00Z","timestamp":1741737600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["JCM"],"abstract":"<jats:p>Background: Frontal fibrosing alopecia (FFA) is a primary cicatricial alopecia, initially described in postmenopausal women but increasingly reported in men. The male form remains under-recognized, often misdiagnosed as androgenetic alopecia (AGA) or alopecia areata (AA), particularly in the beard. Objective: This review aims to summarize the current literature on the epidemiology, clinical presentation, etiopathogenesis, diagnosis, and treatment of FFA in men. Epidemiology and Clinical Features: FFA in men typically presents at a younger age compared to women. Key features include frontal and temporal hairline recession, early involvement of the beard and sideburns, and a high prevalence of eyebrow alopecia (43\u201394.9%). Facial papules and body hair loss are more common in men than women. Occipital involvement varies widely across studies (8\u201345%). Clinical features like beard alopecia, often presenting as plaque or diffuse patterns, are highly suggestive of FFA in men but are not part of current diagnostic criteria. Etiopathogenesis: FFA is postulated to have an autoimmune basis influenced by genetic, hormonal, and environmental factors. Genetic studies have identified associations with HLA-B*07:02 and CYP1B1 loci. Environmental triggers include prolonged use of facial sunscreens and moisturizers, as demonstrated in case-control studies and meta-analyses. Diagnosis: Diagnosis is predominantly clinical, supported by trichoscopy and biopsy when needed, particularly in cases overlapping with AGA or AA. Unique presentations, such as beard alopecia and the \u201cwatch sign\u201d, highlight the importance of considering FFA in atypical male cases. Treatment: Current treatment protocols in men mirror those for women and focus on disease stabilization. Oral 5-ARi (dutasteride) combined with topical corticosteroids and calcineurin inhibitors form the first line. Additional treatments include intralesional corticosteroids, oral isotretinoin for facial papules, and minoxidil for associated AGA. Surgical hair transplantation remains controversial, requiring disease control and careful patient counselling. Conclusions: FFA in men presents with distinct clinical features and challenges in diagnosis, often overlapping with other alopecia. Further studies are needed to validate diagnostic criteria and evaluate treatment efficacy in this underrepresented population.<\/jats:p>","DOI":"10.3390\/jcm14061914","type":"journal-article","created":{"date-parts":[[2025,3,12]],"date-time":"2025-03-12T07:31:42Z","timestamp":1741764702000},"page":"1914","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":4,"title":["Frontal Fibrosing Alopecia in Men: A Review of the Literature"],"prefix":"10.3390","volume":"14","author":[{"given":"Ana","family":"Meli\u00e1n-Olivera","sequence":"first","affiliation":[{"name":"Dermatology Department, Ram\u00f3n y Cajal University Hospital, 28034 Madrid, Spain"},{"name":"Hair Disorders Unit, Grupo Pedro Ja\u00e9n, 28002 Madrid, Spain"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Adri\u00e1n","family":"Imbern\u00f3n-Moya","sequence":"additional","affiliation":[{"name":"Hair Disorders Unit, Grupo Pedro Ja\u00e9n, 28002 Madrid, Spain"},{"name":"Dermatology Department, Severo Ochoa Hospital, 28914 Madrid, Spain"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-3471-4154","authenticated-orcid":false,"given":"Mar\u00eda L.","family":"Porri\u00f1o-Bustamante","sequence":"additional","affiliation":[{"name":"Dermatology Department, La Zarzuela Hospital, 28023 Madrid, Spain"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Cristina","family":"Pindado-Ortega","sequence":"additional","affiliation":[{"name":"Dermatology Department, Ram\u00f3n y Cajal University Hospital, 28034 Madrid, Spain"},{"name":"Hair Disorders Unit, Grupo Pedro Ja\u00e9n, 28002 Madrid, Spain"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8807-2556","authenticated-orcid":false,"given":"Daniel","family":"Fernandes-Melo","sequence":"additional","affiliation":[{"name":"Dermatology Department, State University of Rio de Janeiro, Rio de Janeiro 13414-903, Brazil"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6315-5462","authenticated-orcid":false,"given":"David","family":"Saceda-Corralo","sequence":"additional","affiliation":[{"name":"Dermatology Department, Ram\u00f3n y Cajal University Hospital, 28034 Madrid, Spain"},{"name":"Hair Disorders Unit, Grupo Pedro Ja\u00e9n, 28002 Madrid, Spain"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2025,3,12]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"770","DOI":"10.1001\/archderm.1994.01690060100013","article-title":"Postmenopausal frontal fibrosing alopecia. 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