歯磨(はみが)き粉(こ)

Despite the 粉(こ) (powder) in the name, modern 歯磨(はみが)き粉(こ) is almost always a paste or gel. The name dates back to when tooth-cleaning products were actually powder.

Types

• フッ素入(そい)り (with fluoride)
• 薬用(やくよう) (medicated)
• ホワイトニング (whitening)
• 知覚(ちかく)過敏(かびん)用(よう) (for sensitive teeth)
• 子供用(こどもよう) (for children)

Forms

• 歯(は)みがき: the everyday short form, as in 歯(は)みがきをつける
• 練(ね)り歯磨(はみが)き: paste toothpaste (the older, more technical term)