Abstract: This vehicle lamp is provided with the following: a first light source; a second light source provided further on the outer side of a vehicle than the first light source; a heatsink having a base part on which the first light source and the second light source are mounted; and a through hole that penetrates the base part and that is formed at a position on a straight line connecting the first light source and the second light source in top view in which the base part is viewed from the upper side of the vehicle.

Abstract: A dispersion composition containing a urea-urethane (UU) compound as (a) component, and one or more types of coloring inhibitors selected from among a silicate, a carbonate, a sulfate, a phosphate, a metal oxide, a metal hydroxide, a hindered phenol compound, a hindered amine compound and an acetoacetic acid derivative as (b) component, characterized in that one of more components selected from (a) component and (b) component is subjected to a heating treatment, or a developer UU dispersion prepared by using a cellulose derivative and a specific anionic surfactant as a dispersant for the developer UU is subjected to a heating treatment.