The purpose of this study was to get amount of essential oil of rhizome bangle precisely in inhibitory activity the growth of Staphylococcus aureus dan Escherichia coli bacteria on the best quality of liquid soap. This study used a Complete Randomized Design with five treatments and three replications. The treatments were addition of essential oils in consecutive S0 (0 ml), S1 (0.62 ml), S2 (1.…