洗あらい粉こ

noun

cleansing powder; washing powder

Dated term for a powdered cleanser used for washing hair, skin, or tableware. Modern equivalents are often liquid or cream cleansers.

• 祖そ母ぼは昔むかし、洗あらい粉こで髪かみを洗あらっていた。

  My grandmother used to wash her hair with cleansing powder.