Use Roughness and Specular inputs. If you dont have roughness maps, first try 0.9 for roughness. If it doesnt give the desired result then plug another constant(0.4 - 0.3 should do) to specular as well.
Use Roughness and Specular inputs. If you dont have roughness maps, first try 0.9 for roughness. If it doesnt give the desired result then plug another constant(0.4 - 0.3 should do) to specular as well.