One potential product as a natural antibacterial agent against Staphylococcus aureus is a fermentation product of pineapple peel and papaya peel containing organic acids. This study aims to develop a lotion with various concentrations of the fermentation product of pineapple and papaya peels (1%, 5%, 10%, and 15%) as an antibacterial agent against Staphylococcus aureus. The lotion evaluation te…