Liquid lipstick is a cosmetic type of lip color that is currently in great demand by consumers. Repeated use of liquid lipstick can cause the growth of pathogenic microbes such as Staphylococcus aureus and Candida albicans. Chitooligosaccharide is a derivative of chitosan resulting from the deacetylation of chitin and has been widely reported to have biological activity as an antimicrobial. Thi…