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Japan: Henna Hair Products Face Tighter RulesWhat happened: On May 20, Japan’s MHLW issued a formal safety notification for hair cosmetics containing henna or henna-derived substances. The trigger? ...
Japan: Henna Hair Products Face Tighter RulesWhat happened: On May 20, Japan’s MHLW issued a formal safety notification for hair cosmetics containing henna or henna-derived substances. The trigger? ...
