PURPOSE: The titled composition useful as a temporary hair coloring agent, having improved feeling in use, appearance after coloring handling char acteristics, etc., obtained by dispersing a coloring agent component consisting of a specific amount of colored mica and a specified amount of iron oxide powder into a solvent in the presence of a specific silicone oil.

CONSTITUTION: A hair coloring agent conmposition for temporary coloring of personal adorment or for self hair coloring, comprising (a) 100pts.wt. coloring agent component consisting of 20W70wt.% colored mica and 80W30wt.% iron oxide powder, (b) 40W160pts.wt. silicone oil having 10W50 centistokes kinematic viscosity at 20°C, and, (c) 300W5,000pts.wt. solvent, or (c) 100W3,000pts.wt. solvent and (d) 100W1,000pts.wt. propellant. The composition provides hair with no unnatural hardness, has improved brushing properties and combing properties, supplies hair with coloring of natural, glossy, abhundant color tone, and has many effects such as readyly removable when it is attached to clothes or the skin.