18 Things You Should Never Put in the Dishwasher (Even If You’re Tempted)

be washed by hand.

Dishwasher cycles can:

  • dull the blade
  • cause small chips
  • damage wooden handles
  • promote corrosion
  • allow knives to knock against other utensils

There is also a safety issue: reaching into a dishwasher containing sharp knives can cause cuts.

Wash knives carefully and dry them immediately.

6. Nonstick Pans Unless Clearly Dishwasher-Safe

Some modern nonstick cookware is labeled dishwasher-safe, but frequent dishwasher cleaning may still shorten the life of certain coatings.

High heat and strong detergent can gradually degrade the surface.

If the manufacturer recommends hand washing, follow