1、Parents demand a ban on hair dye for students
【家長要求禁止學生染發(fā)?！?/p>

2、Study on stability of reddish brown hair dye after dyeing hair
紅棕色染發(fā)劑染發(fā)后穩(wěn)定性的研究

3、The gallic acid hair dye is used for black-dyeing of human hair.
該沒食子酸染發(fā)劑用于人發(fā)的染黑。

4、However, a little dryness is unavoidable, no matter how good the quality of the hair dye is.
不過，有點干燥是不可避免的，再好的染發(fā)劑質量。

5、The paper describes an overall method of detecting the dyeing fastness of hair dye in dyed hair.
本文針對染發(fā)劑染色后牢固程度的測試方法進行了全面的探討。

6、At Vanguard, buy hair dye and promoters will apply it free.
在華潤萬家，凡購買染發(fā)劑促銷員將做一次免費的染發(fā)(這些顧客可以在涂著染發(fā)劑，纏著頭巾的同時，四處瀏覽這些貨架)。

7、Parents demand a ban on hair dye for students.
【家長要求禁止學生染發(fā)。】