1. Background
Global trends toward product customization have gained a large foothold in South Korea. MFDS added a series of provisions related to custom cosmetics in the Cosmetics Act in March 2018, and these provisions will be effective on March 14, 2020 [1]. Then MFDS proposed draft amendments to Enforcement Decree of the Cosmetics Act [2] and Enforcement Rule of the Cosmetics Act [3] in August 2018 and August 2019 to further clarify the requirements on custom cosmetics sales business.