December 2022 in “Frontiers in Microbiology” The scalp microbiome is more diverse and may be more important in hair loss than the gut microbiome.
August 2023 in “Clinical, Cosmetic and Investigational Dermatology” Research on the human skin microbiome has grown, focusing on skin health and diseases, with more studies needed on antibiotic resistance and AI applications.
May 2025 in “International Journal of Cosmetic Science” Caffeine and adenosine in shampoo may boost hair growth and change scalp microbes and lipids.
March 2024 in “Nutrients” Alopecia Areata is linked to specific gut bacteria and metabolites, indicating a complex gut microbiome.
3 citations,
August 2022 in “Molecules/Molecules online/Molecules annual” A new strain of bacteria from the human skin can help prevent hair loss.