染发剂

I need to buy some hair dye, my roots are showing.
我需要买些染发剂，我的发根都露出来了。
She decided to try a new hair dye and went for a bold red color.
她决定尝试一种新的染发剂，并选择了大胆的红色。
The hair dye stained the bathroom sink.
染发剂把浴室的洗脸池染脏了。
Make sure you follow the instructions on the hair dye carefully.
一定要仔细按照染发剂上的说明进行操作。
His hair dye was starting to fade after a few weeks.
他的染发剂在几周后开始褪色。
The hair dye didn't cover all of her grey hairs.
染发剂没有覆盖住她的所有白发。
She accidentally got hair dye on her forehead while coloring her hair.
她在染头发时不小心把染发剂弄到了额头上。
The chemicals in hair dye can be harsh on your scalp.
染发剂中的化学物质可能对你的头皮造成刺激。
He used a semi-permanent hair dye so it would eventually wash out.
他使用了半永久性的染发剂，所以最终会洗掉。
It's important to do a patch test before using any new hair dye.
在使用任何新的染发剂之前做一次斑贴试验是很重要的。