The study aims to determine the selected formulation of the brown algae extract (Sargassum sp.) of peel-off mask products as antibacterial (Propionibacterium acnes). This research was carried out using laboratory experiments, making peel-off masks with the addition of brown algae extract (Sargassum sp.) 0%, 2%, 4%, and 6% with 2 replications. Characterization of peel�off mask preparations by …