| abstract |
(57) [Summary] [Purpose] To provide a hair dye with excellent fastness and less damage to the skin and hair. [Composition] An iridoid glycoside or an aglycone thereof, A hair dye containing a combination of aniline derivatives as an active ingredient. Geniposide is an iridoid glycoside, genipin is its aglycone, and p is an aniline derivative. Phenylenediamine is preferably used in each case. |