Trial reportPloS one2021
Apple cider vinegar soaks do not alter the skin bacterial microbiome in atopic dermatitis.
Trial report in PloS one, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
8 citing papers in PubMed, 12 citations in OpenAlex.
- Herbal Extracts and Plant-Derived Bioactives in Atopic Dermatitis: Evidence, Mechanisms, Pediatric Safety, and Translational Priorities.Food science & nutrition · 2026Review
- Lactic Acid Bacteria in Vinegar Fermentation: Diversity, Functionality and Health Benefits.Foods (Basel, Switzerland) · 2025Review
- Pro-Health Potential of Fruit Vinegars and Oxymels in Various Experimental Models.International journal of molecular sciences · 2024Review
- Fruit vinegar as a promising source of natural anti-inflammatory agents: an up-to-date review.Daru : journal of Faculty of Pharmacy, Tehran University of Medical Sciences · 2024Review
- Bathing in Atopic Dermatitis in Pediatric Age: Why, How and When.Pediatric reports · 2024Review
- Skin microbiota: pathogenic roles and implications in atopic dermatitis.Frontiers in cellular and infection microbiology · 2024Review
- Review
- The role of short-chain fatty acids in inflammatory skin diseases.Frontiers in microbiology · 2022Review
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
10 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
introductionAtopic dermatitis is a common skin disease characterized by altered cutaneous immunity in which patients often exhibit lower skin microbiota diversity compared to healthy skin and are prone to colonization by Staphylococcus aureus. Apple cider vinegar has been shown to have antibacterial effects; however, its effects on the skin microbiome have not previously been well-described.
objectivesWe aimed to examine the effects of topical dilute apple cider vinegar soaks on Staphylococcus aureus abundance, skin bacterial microbiome composition, and skin bacterial microbiome diversity in atopic dermatitis participants compared to healthy skin.
methodsEleven subjects with atopic dermatitis and 11 healthy controls were enrolled in this randomized, non-blinded, single-institution, split-arm pilot study. Subjects soaked one forearm in dilute apple cider vinegar (0.5% acetic acid) and the other forearm in tap water for 10 minutes daily. Skin bacteria samples were collected from subjects' volar forearms before and after 14 days of treatment. 16S sequencing was used to analyze Staphylococcus aureus abundance and skin bacterial microbiome composition, and alpha diversity of microbiota were determined using Shannon diversity index.
resultsThere was no difference in skin bacterial microbiome in atopic dermatitis subjects after 2 weeks of daily water or apple cider vinegar treatments (p = 0.056 and p = 0.22, respectively), or in mean abundance of S. aureus on apple cider vinegar-treated forearms (p = 0.60). At 2 weeks, the skin bacterial microbiomes of healthy control subjects were not significantly different from the skin bacterial microbiome of atopic dermatitis subjects (p = 0.14, 0.21, 0.12, and 0.05).
conclusionsOur results suggest that daily soaks in 0.5% apple cider vinegar are not an effective method of altering the skin bacterial microbiome in atopic dermatitis. Further studies are needed to explore the effects of different concentrations of apple cider vinegar on skin microflora and disease severity. TRIAL NUMBER: UVA IRB-HSR #19906.
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