One of the purposes of the present invention is to provide a cosmetic composition having an excellent adhesion. Specifically, the purpose of the present invention is to provide a cosmetic composition which provides an effect of making eyelashes longer and provides natural gloss on eyelashes without blending fibers. The present invention provides a cosmetic composition comprising a silicone-modified polysaccharide and an acryl-silicone graft copolymer. Further, the present invention provides a hair cosmetic composition, in particular a eyelash cosmetic composition.