{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,11,4]],"date-time":"2026-11-04T09:27:14Z","timestamp":1793784434707,"version":"4.6.1"},"reference-count":127,"publisher":"Frontiers Media SA","license":[{"start":{"date-parts":[[2026,2,27]],"date-time":"2026-02-27T00:00:00Z","timestamp":1772150400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":["frontiersin.org"],"crossmark-restriction":true},"short-container-title":["Front. Immunol."],"abstract":"<jats:p>Emerging evidence suggests that the brain\u2013gut\u2013skin axis (BGSA) plays a critical role in the pathogenesis of inflammatory and disfiguring skin diseases. Conditions such as acne, atopic dermatitis, psoriasis, rosacea, vitiligo, and alopecia areata, once regarded as localized disorders driven mainly by cutaneous immune dysfunction, are now recognized as systemic conditions associated with neuroendocrine stress responses, gut microbial dysbiosis, and chronic low-grade inflammation. Mechanistic studies elucidate the intricate interorgan communication mediated by microbial metabolites (e.g., short-chain fatty acids and tryptophan derivatives), cytokine networks, neuropeptides, and hypothalamic\u2013pituitary\u2013adrenal (HPA) axis signaling. Building on these insights, therapeutic strategies are evolving rapidly. Microbiome-directed interventions (probiotics, postbiotics, dietary modification, and fecal microbiota transplantation), together with psychoneuroimmunological approaches, have shown potential to alleviate disease severity. Integrative therapies, including traditional herbal medicine, offer promising effects; however, we emphasize that mechanistic depth and robust clinical validation for these modalities are currently limited. This review integrates mechanistic findings, clinical correlations, and emerging therapeutic approaches, while critically distinguishing between correlation and causation. Future studies should emphasize longitudinal multi-omics analyses and standardized clinical trials to clarify causal pathways and guide precision, patient-centered management for systemic and cutaneous health.<\/jats:p>","DOI":"10.3389\/fimmu.2026.1737303","type":"journal-article","created":{"date-parts":[[2026,2,27]],"date-time":"2026-02-27T05:24:19Z","timestamp":1772169859000},"update-policy":"https:\/\/doi.org\/10.3389\/crossmark-policy","source":"Crossref","is-referenced-by-count":11,"title":["The brain\u2013gut\u2013skin axis in inflammatory and disfiguring skin diseases: mechanistic insights, clinical correlations, and therapeutic strategies"],"prefix":"10.3389","volume":"17","author":[{"given":"Zijian","family":"Guo","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jiao","family":"Yang","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Rui","family":"Zang","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yixuan","family":"Yang","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Qingnan","family":"Wang","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Chenchen","family":"Xu","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1965","published-online":{"date-parts":[[2026,2,27]]},"reference":[{"key":"B1","doi-asserted-by":"publisher","DOI":"10.1038\/sj.jid.5700104","article-title":"Neuroimmunology of stress: skin takes center stage","volume":"126","author":"Arck","year":"2006","journal-title":"J Invest Dermatol"},{"key":"B2","doi-asserted-by":"publisher","DOI":"10.3389\/fmicb.2018.01459","article-title":"The gut microbiome as a major regulator of the gut-skin axis","volume":"9","author":"Salem","year":"2018","journal-title":"Front Microbiol"},{"key":"B3","doi-asserted-by":"publisher","DOI":"10.1001\/archderm.1930.01440180008002","article-title":"The effect on the skin of emotional and nervous states: iii. 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