The present invention relates to a sticky hydrogel cosmetic composition. According to the present invention, the sticky hydrogel cosmetic composition containing 0.1 to 1 wt% of sodium polyacrylate having an Na substitution degree of at least 50% as a hydrophilic polymer forms hydrogel containing a sufficient amount of a sticky mucilaginous substance while having excellent stability in formulation. Therefore, the present invention has excellent adhesiveness when applied to the skin, thereby allowing the absorption of moisture and ingredients into the skin to be maximized. Thus, the present invention can be widely used for the development of various cosmetics such as a mask pack.
