August 2024 in “Nutrients” This study found that a combination of probiotic strains of Lactiplantibacillus administered over 16 weeks reduced the number and density of telogen hairs in individuals with androgenic alopecia, while increasing the abundance of Lactobacillus in their gut microbiota.
1 citations
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July 2022 in “Functional foods in health and disease/Journal of functional foods in health & disease” This study found that oral probiotic supplementation over 12 weeks may improve hair growth, skin condition, metabolic health, and stress responses in Chinese adults with hair loss and a high risk of metabolic syndrome.
9 citations
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April 2024 in “Heliyon” This review highlighted significant properties of probiotics that can promote hair growth and reduce dandruff, offering guidance for future research to scale these findings to pilot studies.
5 citations
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November 2024 in “Frontiers in Nutrition” In this randomized controlled trial, oral intake of the probiotic Latilactobacillus curvatus LB-P9 significantly improved hair luster, elasticity, and participant satisfaction in individuals with mild to moderate hair damage compared to placebo, without significant adverse effects reported.
March 2026 in “Journal of Veterinary and Animal Sciences” This study found that pre-ruminant crossbred calves supplemented with sodium butyrate had significantly lower alopecia scores compared to those receiving a probiotic and emulsifier, though both groups experienced alopecia between the 2nd and 6th weeks.