自し然ぜん素そ材ざい

noun

natural material; natural ingredient

Refers to materials or ingredients derived from nature, often used in contexts like food, cosmetics, or building materials.

• この化け粧しょう品ひんは自し然ぜん素そ材ざいだけで作つくられています。

  This cosmetic is made only from natural ingredients.

• 家いえを建たてるときは、できるだけ自し然ぜん素そ材ざいを使つかいたい。

  When building a house, I want to use natural materials as much as possible.