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Topical Postbiotics Show Promise for Acne, Eczema

Postbiotics linked to improvements in acne and eczema, with limited data in rosacea

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Recent research indicates that topical postbiotics could be an effective management strategy for inflammatory skin conditions like acne and atopic dermatitis (eczema). Unlike probiotics, postbiotics are non-living microbial components that lack the infection risks of live therapies. The literature review, which encompassed 16 studies, shows postbiotic treatments generally improving skin microbiome function, reducing inflammation, and enhancing skin barrier integrity. Significant reductions in acne inflammatory lesions (up to 70%) and eczema severity were noted, suggesting postbiotics as alternatives to traditional treatments. However, limited evidence exists for their application in rosacea, warranting further research.

Original Source(s)

Topical Postbiotics Show Promise for Acne, Eczema

  • by Meg Barbor

  • March 26, 2026

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