noun
dry shampoo
A powder or spray used to clean hair without water; a common loanword in Japanese beauty and care contexts.
旅行中はドライシャンプーが便利だ。
Dry shampoo is handy when traveling.
彼女は朝、時間がないときドライシャンプーを使う。
She uses dry shampoo in the morning when she doesn't have time.