“coloring agents”簡單造句，coloring agents造句子

Bluing:also blueing,any of various coloring agents used to counteract the yellowing of laundered fabrics.

In general, I discourage use of hair dyes containing artificial coloring agents, which to my mind are as suspect in cosmetic products as they are in food.

Any of various coloring agents used to counteract the yellowing of laundered fabrics.