The Modernization of Cosmetic Regulation Act is a new law that was signed into law in December 2019. The act aims to modernize the regulation of cosmetic products in the United States by giving the FDA more authority to regulate cosmetic products and ingredients. The act also requires cosmetic manufacturers to register their facilities with the FDA and to report any serious adverse events associated with their products. Overall, the act is designed to improve the safety and transparency of cosmetic products in the US.