An addition reaction-curable silicone adhesive composition for skin application, comprising the following components,, and: 100 parts by mass of a mixture of the following component with the following component, or a condensation reaction product between the following component and the following component, 55 to 90 parts by mass of a diorganopolysiloxane consisting of the following components and, wherein a mass ratio of / is within a range from 90/10 to 15/85, a diorganopolysiloxane having two or more alkenyl groups per molecule and an alkenyl group-content of at least 0.0005 mol/100 g and less than 0.15 mol/100 g, and wherein the molecular chain terminals are not completely blocked in that some SiOH groups are left remaining, and a diorganopolysiloxane having a SiOH group at a terminal and no alkenyl group, and 10 to 45 parts by mass of an organopolysiloxane, provided that a total of the components and is 100 parts by mass, wherein the organopolysiloxane contains an R 1 3 SiO 0.5 unit, a SiOz unit, and a siloxane unit having a silicon atom-bonded hydroxyl group and/or a siloxane unit having a silicon atom-bonded alkoxy group with 1 to 6 carbon atoms, each R 1 independently represents a monovalent hydrocarbon group having 1 to 10 carbon atoms, and a molar ratio of the R 1 3 SiO 0.5 unit/the SiOz unit is 0.5 to 1.5; an organohydrogenpolysiloxane containing three or more SiH groups per molecule, wherein the organohydrogenpolysiloxane is in such an amount that a molar ratio of the SiH groups in the component to the alkenyl groups in the component is 0.2 to 15; and a platinum group metal-based catalyst in an amount of 1 to 5,000 ppm in terms of platinum group metal relative to the total amount of the components and based on mass. 55 to 90 parts by mass of a diorganopolysiloxane consisting of the following components and, wherein a mass ratio of / is within a range from 90/10 to 15/85, a diorganopolysiloxane having two or more alkenyl groups per molecule and an alkenyl group-content of at least 0.0005 mol/100 g and less than 0.15 mol/100 g, and wherein the molecular chain terminals are not completely blocked in that some SiOH groups are left remaining, and a diorganopolysiloxane having a SiOH group at a terminal and no alkenyl group, and a diorganopolysiloxane having two or more alkenyl groups per molecule and an alkenyl group-content of at least 0.0005 mol/100 g and less than 0.15 mol/100 g, and wherein the molecular chain terminals are not completely blocked in that some SiOH groups are left remaining, and a diorganopolysiloxane having a SiOH group at a terminal and no alkenyl group, and 10 to 45 parts by mass of an organopolysiloxane, provided that a total of the components and is 100 parts by mass, wherein the organopolysiloxane contains an R 1 3 SiO 0.5 unit, a SiOz unit, and a siloxane unit having a silicon atom-bonded hydroxyl group and/or a siloxane unit having a silicon atom-bonded alkoxy group with 1 to 6 carbon atoms, each R 1 independently represents a monovalent hydrocarbon group having 1 to 10 carbon atoms, and a molar ratio of the R 1 3 SiO 0.5 unit/the SiOz unit is 0.5 to 1.5; an organohydrogenpolysiloxane containing three or more SiH groups per molecule, wherein the organohydrogenpolysiloxane is in such an amount that a molar ratio of the SiH groups in the component to the alkenyl groups in the component is 0.2 to 15; and a platinum group metal-based catalyst in an amount of 1 to 5,000 ppm in terms of platinum group metal relative to the total amount of the components and based on mass.