This study aims to analyze the impact of post-border policies on the effectiveness of cosmetics control by Indonesia FDA, as well as to analyze the steps taken by Indonesia FDA in controlling the circulation of illegal cosmetics. The legal research method used is empirical, namely a legal research method that functions to be able to see the law in a real sense and research how the law works in society. The results of the study show that the post border policy has a significant influence on controlling the circulation of illegal cosmetics in Indonesia, especially in the Makassar City area, while the indicators in this policy cover pre-market and post-market supervision. Furthermore, the existence of legal loopholes at the Customs and FDA level has resulted in a rampant influx of goods and/or cosmetics into Indonesia. The steps taken by FDA in controlling the circulation of illegal cosmetics in Indonesia, especially in the Makassar City area, namely prevention and prosecution. Prevention in this case is carried out in three ways, including accurate supervision, timely supervision, and coordinated supervision organizational workflow. While enforcement is carried out by imposing administrative sanctions and criminal sanctions on perpetrators of illegal cosmetics distribution.