Field of Biological Chemistry, Graduate School, Faculty of Science Osaka University. Ph.D. Graduate School, Faculty of Pharmacy, Tokyo University. Articles on Hydrogen Therapy/Skin-Beauty and the Mechanism: (1) Hydrogen-Generating Silica Material Prevents UVA-ray-Induced Cellular Oxidative Stress, Cell Death, Collagen Loss and Melanogenesis in Human Cells and 3D Skin Equivalents. Xiao L, …, Miwa N. Antioxidants (Basel). 2021;10:76. (2) Hydrogen Gas Inhalation Prevents Erythrocyte Aggregation and Promotes Leukocyte Phagocytosis Together with Increases in Serum Antioxidant Activity. Takada Y, Miwa N. Hydrogen (Basel) 2022; 3, 72-82. (3) Hydrogen Nano-Bubble Water Suppresses ROS Generation, Adipogenesis, and Interleukin-6 Secretion in Hydrogen-Peroxide- or PMA-Stimulated Adipocytes and Three-Dimensional Subcutaneous Adipose Equivalents. Xiao L, Miwa N. Cells. 2021;10:626. (4) Heat-retention effects of hydrogen-rich water bath assessed by thermography for humans. Kato S, Takada Y, Miwa N. Journal of Thermal Biology. 2021;95:102805-30. (5) Effects of hydrogen-rich water prepared by alternating-current-electrolysis on antioxidant activity, DNA oxidative injuries, and diabetes-related markers. Asada R, Tazawa K, …Miwa N.　Medical Gas Research. 2020;10:114-121. (7) Repetitive Bathing and Skin Poultice with Hydrogen-Rich Water Improve Wrinkles and Blotches Together with Modulation of Skin Oiliness and Moisture. Tanaka Y, Miwa N. Hydrogen (Basel) 2022; 3, 161-178.