It is an object of the present invention to provide a safe hair dye, which requires a short hair dyeing time, has good hair dyeing property and color tone, and also has an effect of preventing photofading. The present invention provides a hair dye, which comprises a combination of (a) a first agent containing a substance reacting with iron to develop color and an ultraviolet absorbent having a 2-hydroxybenzophenone skeleton, and (b) a second agent containing iron salt.
本发明的目的是提供一种安全的染发剂,它需要的染发时间短,染发性能和色调好,还具有防止光褪色的效果。本发明提供了一种染发剂,它由以下两部分组合而成:(a) 含有与
铁反应而显色的物质的第一剂和具有
2-羟基二苯甲酮骨架的
紫外线吸收剂;(b) 含有
铁盐的第二剂。