10 Things You Should Never Put in the Dishwasher: The Damage Is Irreparable (Page 2 ) | March 2, 2025

In addition, the handle could also be damaged if it is made of wood or plastic that is not heat-resistant.

In addition, knives, for this reason, should never be left wet for a long time, but should simply be washed with dish soap and then dried immediately.

Wooden cutting board and cutlery
Even the wooden cutting board should not be put in the dishwasher because the heat deforms the wood, which eventually causes cracks and cracks as well as swelling. The wooden spoons that we use for cooking should not only be put in the dishwasher, but they should not even be left to soak in water for the same reasons as the cutting board.

Wooden cutting board and dishes
Thermos and insulated cups
We avoid putting the dishwasher and thermoses and insulated cups because hot water tends to deteriorate the insulating power of the thermos.

Pressure cooker lid
We must also be careful with all utensils with rubber fittings, such as pressure cookers or parts of food processors.

It is important not to put these rubbers in the dishwasher because, as with plastic containers, they can deform and lose their effectiveness.