The present invention relates to an anti-bacterial cosmetic composition composed by adding methyl sulfonyl methane (MSM). According to the present invention, MSM is put in purified water at room temperature, is completely dissolved, and is placed in an incubator at 20-25°；C for 20-24 hours to be produced into an MSM solution. 1-20 wt% of the MSM is added with respect to the total weight of the cosmetic composition.본 발명은 식이유황(MSM；Methyl Sulfonyl Methane)을 첨가하여 조성된 항균화장품 조성물에 관한 것이다.
