Insufficient detoxification and/or overproduction of reactive oxygen species (ROS) induce cellular and tissue damage. and generated reactive oxygen metabolites become exacerbating factors of dermatitis. Keishibukuryogan-ka-yokuinin (KBGY) is a traditional Japanese medicine prescribed to treat dermatitis such as acne vulgaris. Our aim was to verify the antioxidant properties of KBGY. https://hollandscountryclothinges.shop/product-category/knife/