A hair cosmetic article includes a composition A including an alkali agent; a composition B including an oxidizing agent; a composition C including a powdery oxidation assistant; and a hair cosmetic applicator including a container part (4) in which a hair cosmetic material (3) produced by mixing the compositions A, B and C and having a viscosity of 3 to 30 Pa·s at 30° C., an application part (2) by which the hair cosmetic material (3) is applied to a hair-bundle, and an extension part (5) having a liquid-leading passage (51) which communicates the container part (4) to the application part (2). The application part (2) includes a discharge port (21) and a comb part (23), and the comb part (23) includes a plurality of comb teeth (22) which are disposed substantially annularly so as to surround the discharge port (21).