The invention relates to a cosmetic composition in oil-in-water emulsion form comprising a cucurbic acid compound of formula (I) in which R1 represents a radical COOR3, R3 denoting H or a C1-C4 alkyl radical, optionally substituted with one or more hydroxyl groups R2 represents a hydrocarbon-based radical containing from 1 to 18 carbon atoms an inulin bearing hydrophobic ester or carbamate groups, an oily phase and an aqueous phase. Use for caring for and making up keratin materials.