A lip cosmetic composition comprising an inner phase and an outer phase, wherein the inner phase comprises: A) a low-viscosity oil agent that does not dissolve a solidifier, wherein said low-viscosity oil agent as component A comprises diphenyl dimethicone represented by Formula: wherein x + z is in the range of 2-50, and the siloxane units may have a random copolymer or block copolymer arrangement in the diphenyl dimethicone, and the outer phase comprises: B) a solidifier, wherein the solidifier as component B is (ethylene/propylene) copolymer and synthetic wax; C) a high-viscosity oil agent that dissolves the solidifier, wherein the high-viscosity oil agent as component C is a combination of dipentaerythrityl tetra(hydroxystearate/isostearate) and diisostearyl malate; D) a binder oil that dissolves the low-viscosity oil agent as component A at 90°C but not at 25°C, wherein the binder oil as component D is octyldodecanol; and E) a coloring material, the content of component A is 40-70 mass% to the total mass of the lip cosmetic composition, and the total amount of components A, B, C, D and E contained in the lip cosmetic composition is 80 mass% or more, wherein the ratio of the content of component A to the content of component C (component A/component C) in the lip cosmetic composition of the present invention is greater than 1.2 (mass basis). the inner phase comprises: A) a low-viscosity oil agent that does not dissolve a solidifier, wherein said low-viscosity oil agent as component A comprises diphenyl dimethicone represented by Formula: A) a low-viscosity oil agent that does not dissolve a solidifier, wherein said low-viscosity oil agent as component A comprises diphenyl dimethicone represented by Formula: wherein x + z is in the range of 2-50, and the siloxane units may have a random copolymer or block copolymer arrangement in the diphenyl dimethicone, and the outer phase comprises: B) a solidifier, wherein the solidifier as component B is (ethylene/propylene) copolymer and synthetic wax; C) a high-viscosity oil agent that dissolves the solidifier, wherein the high-viscosity oil agent as component C is a combination of dipentaerythrityl tetra(hydroxystearate/isostearate) and diisostearyl malate; D) a binder oil that dissolves the low-viscosity oil agent as component A at 90°C but not at 25°C, wherein the binder oil as component D is octyldodecanol; and E) a coloring material, B) a solidifier, wherein the solidifier as component B is (ethylene/propylene) copolymer and synthetic wax; C) a high-viscosity oil agent that dissolves the solidifier, wherein the high-viscosity oil agent as component C is a combination of dipentaerythrityl tetra(hydroxystearate/isostearate) and diisostearyl malate; D) a binder oil that dissolves the low-viscosity oil agent as component A at 90°C but not at 25°C, wherein the binder oil as component D is octyldodecanol; and E) a coloring material, the content of component A is 40-70 mass% to the total mass of the lip cosmetic composition, and the total amount of components A, B, C, D and E contained in the lip cosmetic composition is 80 mass% or more, wherein the ratio of the content of component A to the content of component C (component A/component C) in the lip cosmetic composition of the present invention is greater than 1.2 (mass basis).