A cast-iron skillet should not normally go in the dishwasher.
The detergent and prolonged moisture can strip away the protective seasoning and encourage rust.
Instead:
* wash gently by hand
* dry immediately
* apply a very thin layer of cooking oil if needed
Proper care helps maintain the naturally seasoned cooking surface.
## 4. Carbon-Steel Pans and Knives
Carbon steel behaves similarly to cast iron.
Dishwasher detergent and moisture can damage the seasoning and promote rust.
Hand washing and immediate drying are usually the safer choice.
## 5. Good Kitchen Knives
High-quality chef’s knives should generally 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
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