sensitive material, can deteriorate.
Sharp blades can also pose a safety hazard when you are unloading the dishwasher.
A good kitchen knife is generally better washed carefully by hand and dried immediately.
Cast Iron Cookware
If you’ve ever seasoned a cast-iron pan, you already know why this one hurts.
Dishwasher detergent and prolonged exposure to water can damage the seasoning layer that protects cast iron. Once that protective layer is compromised, the cookware becomes more vulnerable to rust and sticking.
Enameled cast iron is more resistant to moisture than traditional bare cast iron, but manufacturers may still recommend hand washing to protect the finish.
Now the list gets trickier, because some materials can look perfectly fine after the first wash and still deteriorate over time.
The Sneaky Troublemakers
Aluminum Pots and Pans
Ever seen aluminum come out of the dishwasher looking dull and blotchy?
That can happen because aluminum can
