軟なん化か剤ざい

noun

softener; softening agent

General term for a substance that softens materials, such as fabric softener, water softener, or plasticizer.

• 洗せん濯たくのときに軟なん化か剤ざいを入いれると、タオルがふわふわになる。

  If you add softener when doing laundry, towels become fluffy.

• この軟なん化か剤ざいは硬こう水すいを軟やわらかくする効こう果かがある。

  This softening agent has the effect of softening hard water.