1Soap — a cleansing agent used to wash skin, dishes, clothes, etc., available in bar (solid) or liquid form. Since 鹸 is a non-jōyō kanji, it is often written as the hybrid 石けん.
手を洗うときは、石けんでしっかり泡立ててね。
When you wash your hands, work up a good lather with the soap.
このホテルには小さな固形石鹸が置いてある。
This hotel provides small bars of soap.
子どもが石けんを口に入れそうになって慌てた。
I panicked when the child almost put the soap in his mouth.
旅行のお土産に、いい香りの石鹸を買った。
I bought some nice-smelling soap as a souvenir from my trip.
食器用の石けんで何度も洗ったので、手が荒れてしまった。
My hands got rough from washing so many times with dish soap.