The present invention relates to a composition for regulating growth or reinforcing skin immunity of skin bacteria flora containing Terminalia chebula extract and Artemisia extract as active ingredients. More specifically, growth of skin beneficial bacteria is improved by selective antibacterial activities for skin bacteria flora, and growth of skin harmful bacteria is inhibited. An expression amount of β-defensin of skin cells is increased. Thus, skin immunity is reinforced. When the composition according to the present invention is used, growth of lactic acid bacteria beneficial to skin according to selective antibacterial activities is improved, and growth of staphylococcus, Propionibacterium acnes, and Candida albicans is inhibited. Thus, a growth balance of skin bacteria flora is made, and expression of β-defensin which is a skin immunomaterial is improved. Thus, skin immunity is reinforced.
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