Translation guide
A fine powder used to prevent diaper rash and keep a baby's skin dry. In Japanese, the most common term is ベビーパウダー, a loanword from English. There is also a traditional product called 天花粉, but it is less common today.
ベビーパウダー
baby powder
The cosmetic powder applied to a baby's skin to absorb moisture and reduce friction.
The standard modern term, a direct loan from English. Widely understood and used on product labels.
ベビーパウダーを赤ちゃんのおしりにはたく。
I put baby powder on the baby's bottom.
A traditional Japanese baby powder made from rice starch or similar ingredients. Less common today but still recognized, especially by older generations.
昔は天花粉をよく使っていた。
In the past, people often used traditional baby powder.