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논문 기본 정보

자료유형
학술저널
저자정보
Li Shao (Shanghai Institute of Technology) Lizhuang Wang (Shanghai Institute of Technology) Yan Li (Shandong Freda Biotech) Laiji Ma (Shanghai Institute of Technology) Chunming Gao (Shandong Freda Biotech) Tianming Bai (Shandong Freda Biotech) Suzhen Yang (Shandong Freda Biotech)
저널정보
한국미생물학회 미생물학회지 미생물학회지 제61권 제1호
발행연도
2025.3
수록면
22 - 32 (11page)

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초록· 키워드

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Cosmetic ingredients significantly influence the skin microbiome. Alcohols are commonly used in cosmetics as moisturizers, preservatives, or multifunctional excipients, but their impact on the skin microbiome remains poorly understood. This study investigated the effects of cosmetic alcohols on typical skin- resident bacteria. Nine skin-resident bacteria, including Gram- positive (G+) and Gram-negative (G-) strains, as well as three common pathogens, were tested. The minimum inhibitory concentration (MIC) and median inhibitory concentration (IC<sub>50</sub>) of six alcohols were determined using the broth micro- dilution method. Results showed that G+ bacteria had higher MICs and greater alcohol tolerance than G- bacteria. Notably, Cutibacterium acnes, a G+ bacterium, displayed lower MICs and higher sensitivity to alcohols. Additionally, varying sensitivities among strains of the same species were observed, underscoring significant intra-species variability. These findings suggest that alcohols at concentrations sufficient to inhibit pathogenic bacteria may also disrupt the skin microbiome by inhibiting resident microflora. Therefore, the impact of cosmetic formulations on the skin microbiome, particularly their compatibility with C. acnes, must be carefully considered. Our results provided a good indication that we should pay attention to the impact of cosmetic ingredients on the skin microbiome, such as alcohols, preservatives, and surfactants.

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Materials and Methods
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