topicProbiotics Skin Barrier Randomized Trial
claimobjective Theof this paper is to analyze the available scientific evidence on the cutaneous microbiome and its relationship with skin health.
evidence level4
citationTaléns‐Visconti Raquel (2026)
sourceCosmetic Interventions for Skin Microbiome Modulation: Current Strategies and Future Directions
topicProbiotics Skin Barrier Randomized Trial
claimacnes 14 15 16 2 15 12 12 2 3 3 17 18 19 13 15 16 The skin microbiome shifts notably throughout life, from the low diversity observed in newborns, to the emergence of lipophilic species with puberty, and typically an increase in overall alpha diversity in older adults due to reduced dominance of protective commensals such asand, coupled with higher representation of environmental/transient species [,].
evidence level4
citationTaléns‐Visconti Raquel (2026)
sourceCosmetic Interventions for Skin Microbiome Modulation: Current Strategies and Future Directions
topicProbiotics Skin Barrier Randomized Trial
claimA study found that women exhibit higher alpha diversity than men, indicating a richer and more balanced microbiota [].
evidence level4
citationTaléns‐Visconti Raquel (2026)
sourceCosmetic Interventions for Skin Microbiome Modulation: Current Strategies and Future Directions
topicProbiotics Skin Barrier Randomized Trial
claim1 Human skin, owing to its large surface area, plays a key role as the primary point of direct contact with the environment.
evidence level4
citationTaléns‐Visconti Raquel (2026)
sourceCosmetic Interventions for Skin Microbiome Modulation: Current Strategies and Future Directions
topicProbiotics Skin Barrier Randomized Trial
claimElevated reactive oxygen species (ROS) also play a key role, as increased ROS levels are found in patients with rosacea [].
evidence level4
citationMuacevic Alexander (2026)
sourceThe Role of Biotics in Rosacea: A Narrative Review
topicProbiotics Skin Barrier Randomized Trial
claimMendelian randomization studies have linked certain bacterial taxa, including uncategorized[] andspecies [], to an increased risk of rosacea, while other taxa appear to confer a protective effect [].
evidence level4
citationMuacevic Alexander (2026)
sourceThe Role of Biotics in Rosacea: A Narrative Review
topicProbiotics Skin Barrier Randomized Trial
claimAlthough these studies provide limited mechanistic insight, they strengthen the evidence that microbial composition influences disease risk and expression.
evidence level4
citationMuacevic Alexander (2026)
sourceThe Role of Biotics in Rosacea: A Narrative Review
topicProbiotics Skin Barrier Randomized Trial
claimGeneral features of rosacea 1 2 4 Rosacea is a chronic inflammatory skin condition affecting about 5.5% of adults, mainly aged 30-50.
evidence level4
citationMuacevic Alexander (2026)
sourceThe Role of Biotics in Rosacea: A Narrative Review