🍽️ 8 Things You Absolutely Should Not Put in a Dishwasher (And Why)

 



2. 🪵 Wooden Utensils and Cutting Boards

Why not?

Wood absorbs water

Can warp, crack, or split

Repeated washing may shorten its life

Better option: Hand-wash with mild soap and dry thoroughly.

3. 🍳 Cast Iron Cookware

Why not?

Dishwasher detergent removes the seasoning

Can cause rust

May damage the pan's protective surface

Better option: Clean with hot water and re-season when needed.

4. 🥤 Insulated Travel Mugs

Why not?

Water can seep into the vacuum-sealed layer

Insulation performance may be reduced

Some lids contain parts that degrade over time

Better option: Check the manufacturer's instructions and hand-wash if recommended.

5. 🥄 Silver and Delicate Metal Items

Why not?

Tarnishing may occur

Some metals react with dishwasher detergents

Decorative finishes can fade

Better option: Wash gently by hand.

6. 🥡 Certain Plastic Containers

Why not?

Heat can warp plastic

Lids may deform

Chemicals may leach from older plastics

Better option: Only wash items clearly labeled dishwasher-safe.

7. 🧴 Nonstick Pans (Some Types)

Why not?

Repeated dishwasher cycles can wear down coatings

Surface may lose its nonstick properties sooner

Better option: Follow the manufacturer's care instructions.

8. 🧂 Fine Crystal or Delicate Glassware

Why not?

High temperatures can cause cloudiness

Thin glass may chip or crack

Decorative finishes can wear away

Better option: Hand-wash with warm water and mild detergent.

⚠️ Bonus Items to Be Careful With

Consider hand-washing:

Copper cookware

Antique dishes

Handmade ceramics

Items with glued-on decorations

Fine china with metallic trim

💡 Quick Rule of Thumb

If an item is:

Very sharp

Made of wood

Antique or delicate

Cast iron

Vacuum insulated

it's usually safer to wash it by hand.

Conclusion

Dishwashers are great for many everyday dishes, but some kitchen items last much longer when cleaned by hand. Taking a few extra minutes can help protect your cookware, utensils, and favorite kitchen tools.

When in doubt, check the manufacturer's instructions—your future self may thank you. 🍽️✨