shampoo

我需要买一瓶新的洗发水。

I need to buy a new bottle of ___shampoo.

我姐姐用去屑洗发水洗头发。

My sister uses an anti-dandruff ___shampoo for her hair.

我认为肥皂和洗发水在浴室里。

I think the soap and the ___shampoo are in the bathroom.