Use of a two-component composition that comprises A) a polyol component that contains A1) one or more low molecular weight polyols with a molecular weight of 160 to 600 g/mol and a hydroxyl group concentration of 5 to less than 20 mol hydroxyl groups per kg of low molecular weight polyol, wherein the content of low molecular weight polyol in the polyol component is in the range of 2 to 60 wt %, based on the total mass of the components A1, A2 and A3 of the polyol component, A2) one or more higher molecular weight polyols with an average functionality of ≥ 2, a molecular weight greater than 600 and up to 8000 g/mol and a hydroxyl group concentration of less than 5 mol hydroxyl groups per kg of higher molecular weight polyol, wherein the content of higher molecular weight polyol in the polyol component is in the range of 97 to 30 wt %, based on the total mass of the components A1, A2 and A3 of the polyol component, A3) one or more light-resistant aromatic amines, wherein the content of light-resistant aromatic amine in the polyol component, based on the total mass of the components A1, A2 and A3 of the polyol component, is in the range of 0.1 to 20 wt %, and wherein the light-resistant aromatic amine is a 4,4'-methylene-bis(2,6-dialkylaniline), and B) a polyisocyanate component that contains one or more polyisocyanates, for the production of flexible polyurethane gel coats for synthetic resin composite materials, wherein the synthetic resin comprises epoxy resin and/or vinyl ester resin and is not, or not completely, cured at the time when it is brought into contact with the gel coat. A) a polyol component that contains A1) one or more low molecular weight polyols with a molecular weight of 160 to 600 g/mol and a hydroxyl group concentration of 5 to less than 20 mol hydroxyl groups per kg of low molecular weight polyol, wherein the content of low molecular weight polyol in the polyol component is in the range of 2 to 60 wt %, based on the total mass of the components A1, A2 and A3 of the polyol component, A2) one or more higher molecular weight polyols with an average functionality of ≥ 2, a molecular weight greater than 600 and up to 8000 g/mol and a hydroxyl group concentration of less than 5 mol hydroxyl groups per kg of higher molecular weight polyol, wherein the content of higher molecular weight polyol in the polyol component is in the range of 97 to 30 wt %, based on the total mass of the components A1, A2 and A3 of the polyol component, A3) one or more light-resistant aromatic amines, wherein the content of light-resistant aromatic amine in the polyol component, based on the total mass of the components A1, A2 and A3 of the polyol component, is in the range of 0.1 to 20 wt %, and wherein the light-resistant aromatic amine is a 4,4'-methylene-bis(2,6-dialkylaniline), and A1) one or more low molecular weight polyols with a molecular weight of 160 to 600 g/mol and a hydroxyl group concentration of 5 to less than 20 mol hydroxyl groups per kg of low molecular weight polyol, wherein the content of low molecular weight polyol in the polyol component is in the range of 2 to 60 wt %, based on the total mass of the components A1, A2 and A3 of the polyol component, A2) one or more higher molecular weight polyols with an average functionality of ≥ 2, a molecular weight greater than 600 and up to 8000 g/mol and a hydroxyl group concentration of less than 5 mol hydroxyl groups per kg of higher molecular weight polyol, wherein the content of higher molecular weight polyol in the polyol component is in the range of 97 to 30 wt %, based on the total mass of the components A1, A2 and A3 of the polyol component, A3) one or more light-resistant aromatic amines, wherein the content of light-resistant aromatic amine in the polyol component, based on the total mass of the components A1, A2 and A3 of the polyol component, is in the range of 0.1 to 20 wt %, and wherein the light-resistant aromatic amine is a 4,4'-methylene-bis(2,6-dialkylaniline), B) a polyisocyanate component that contains one or more polyisocyanates,