Prebiotics, Probiotics, and Postbiotics for Acne Vulgaris: A Systematic Review.

Dermatol Ther (Heidelb) · 2026 · PMC13013907 · PMID 41703218

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a nonsignificant trendno p-value reported

Both oral and topical probiotics were effective, though oral supplementation showed a nonsignificant trend toward stronger effect.

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