知乎，让每一次点击都充满意义 —— 欢迎来到知乎，发现问题背后的世界。Biological detergents consist of enzymes that break down hard stains (4). Even so, we don’t advise applying them on newborn dresses or Should you have delicate skin since they’re not as gentle as other kinds of detergents.Stick to alongside to l