dry shampoo
US /ˌdraɪ ˈʃæm.puː/
UK /ˌdraɪ ˈʃæm.puː/

1.
乾洗髮水
a powder or spray that absorbs oil and grease from the hair, allowing it to be cleaned without water
:
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She used dry shampoo to refresh her hair between washes.
她用乾洗髮水在兩次洗髮之間保持頭髮清爽。
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Dry shampoo is great for oily roots.
乾洗髮水對油性髮根很有用。