And the general methods for hair dying using nature ingredients were also researched.

研究了几种采用天然原料对头发涂色及染发的常用方法。

youdao

Some questions concerned the cosmetic safety such as high concentration of Hg, hair dying agent and also the forbidden substances etc. were put forward.

对化妆品安全性有关问题，如汞超标、染发剂等问题提出了注意事项。对如何正确认识禁用物质被检出等进行了论述。

youdao

Yuichi tells Mitsuyo that he wants to change his life, but limited imagination meant that dying his hair was all he could think of with regards to reinvention.

祐一对光代说，要改变自己的生活，但有限的想象力意味着他能想到的仅有的改变是把自己的头发染成黄色。

youdao

She says many women stopped dying their hair or wearing makeup.

CNN: Mad men, mad 'dos: What the late '60s really looked like

It doesn't happen often -- usually the cover is a fait accompli -- but this time U.S. actress Scarlett Johansson has confused the issue by unexpectedly dying her hair.

CNN: French Vogue to tighten its belt

In fact, Bernerd was so far ahead of the curve on this one that she's probably dying her hair an allover blonde by now to start a new trend.

WSJ: Tina Gaudoin on Style: Sometimes It's the Little Things