Amylase

One of the biological stain-fighters in modern detergents — it chops starchy stains (pasta, gravy, potato) into pieces water can rinse away, letting products clean at lower temperatures. The one real hazard is occupational: as a raw powder the dust can sensitise the lungs, which is exactly why manufacturers encapsulate enzymes into dust-free granules. In the finished box, it's a non-issue for normal use.