Scalp Microbiome Composition in Young Women: Associations with Scalp Type, Sensitivity, and Lifestyle Factors

This study analyzed the scalp microbiome of 63 healthy Chinese women aged 18-25, examining its associations with scalp type, sensitivity, and lifestyle factors. The dominant bacterial and fungal phyla were Actinobacteria and Ascomycota, with Cutibacterium and Staphylococcus as prevalent bacterial genera, and Malassezia as the dominant fungus. Dry scalps were enriched with specific bacteria, while oily scalps were primarily colonized by Cutibacterium and Staphylococcus species. Scalp sensitivity was linked to changes in microbial diversity, and lifestyle factors like stress, sleep, and diet influenced the abundance of Malassezia. The study highlights the role of sebum level, barrier sensitivity, and lifestyle in shaping the scalp microbiota, suggesting that these factors may have implications for scalp health and potential disorders.