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Are Ceramic Knives Dishwasher Safe

Are Ceramic Knives Dishwasher Safe? Is It or Not

Ceramic knives stand out amongst popular knife options for many cooks thanks to their robust blades, long-lasting edges, and strong resistance to acids. However, when it comes to their cleaning, a common question comes to our mind are ceramic knives dishwasher safe?

After all, the cleaning and maintenance of your knife significantly impact its longevity and performance. In this guide, you will find out exactly whether or not a ceramic knife can be put into a dishwasher.

What Are Ceramic Knives?

what are ceramic knives

Ceramic knives are a type of kitchen knife that has a blade made of ceramic material. Unlike traditional knives, which are typically made of steel or other metals.

But ceramic knives have a blade made of a very hard and dense ceramic material, usually zirconium dioxide or “zirconia”.

This material is so hard that it can hold a sharp edge much longer than steel, and it is also non-reactive, meaning that it won’t rust or corrode.

Ceramic knives are often preferred by professional chefs and home cooks alike because they are lightweight and well-balanced, making them easy to handle and control.

They are also incredibly sharp and precise, which can make them ideal for cutting fruits, vegetables, and other foods that require a delicate touch.

However, ceramic knives are more delicate and brittle than steel knives and require special care to maintain their sharpness and quality.

Can Ceramic Knives Go In The Dishwasher?

While some ceramic knives may be labeled as dishwasher-safe, it is generally not recommended to put them in the dishwasher.

Ceramic knives can be sensitive to extreme temperatures and abrasive materials, which can damage the blade and compromise its effectiveness and longevity.

The high heat and harsh detergents used in dishwashers can cause the blade to expand and contract rapidly, which can result in microfractures that can weaken the blade over time.

Additionally, the ceramic blade can become scratched or chipped if it comes into contact with other utensils or dishes in the dishwasher, which can also compromise its effectiveness and longevity.

To clean a ceramic knife, it is best to use warm soapy water and a soft cloth or sponge. Avoid using abrasive materials or harsh chemicals, as these can scratch or damage the blade. Dry the knife thoroughly with a soft towel or allow it to air dry before storing it in a safe place.

Overall, it is best to hand wash your ceramic knives to ensure that they remain sharp, effective, and safe to use for years to come.

How To Care For Your Ceramic knives?

Do You Have to Sharpen Ceramic Knives

Caring for ceramic knives requires special attention and care to maintain their quality and longevity. Below I have listed some tips which can extend your ceramic knives’ sharpness and performance.

Proper Use:

Ceramic knives are designed to handle slicing and chopping tasks with precision and ease. However, it is essential to use them correctly to avoid damaging the blade.

Here are some tips for proper use:

  • Use a cutting board made of wood or plastic to avoid dulling the blade.
  • Avoid using the knife to pry open cans or cut through frozen food, as this can cause the blade to chip or become damaged.
  • Do not use the knife to chop hard foods such as bones or thick-skinned fruits and vegetables.


Cleaning ceramic knives is an important step in maintaining their quality and longevity. Unlike stainless steel knives, ceramic knives require gentle cleaning to avoid damaging the blade.

Here are some tips for cleaning ceramic knives:

  • Rinse the knife with warm water immediately after use to prevent food from sticking to the blade.
  • Use a soft sponge or cloth to clean the blade gently, avoiding any harsh scrubbing.
  • Use a mild detergent and warm water to clean the knife.
  • Dry the knife thoroughly with a soft cloth before storing it in a safe place.


Ceramic knives are known for their sharpness and can maintain their edge for a long time. However, when the knife becomes dull, it requires special attention to sharpen the blade correctly.

Here are some tips for sharpening ceramic knives:

  • It is not recommended to sharpen ceramic knives at home using a traditional sharpening stone or honing rod. These methods can cause the blade to chip or become damaged.
  • The best way to sharpen a ceramic knife is to send it to a professional who specializes in sharpening ceramic knives.
  • Some manufacturers offer sharpening services for their ceramic knives, so check with the manufacturer before seeking a professional sharpening service.


Proper storage is crucial to protect the blade and maintain the integrity of the knife.

Here are some tips for storing ceramic knives:

  • Store your ceramic knives in a knife block or a protective sheath to prevent the blade from coming into contact with other utensils or surfaces.
  • Do not store ceramic knives in a drawer with other utensils, as this can cause the blade to chip or become dull.
  • Do not leave the knife in the sink or on a wet surface, as this can cause the blade to become dull or stained.

Benefits of Using a Ceramic Knife

Ceramic knives come with a plethora of benefits to enjoy. These include;

  • They don’t rust or corrode
  • They are technically dishwasher safe
  • Robust and stiff blade for easy cutting
  • They don’t leach food with a metallic taste
  • They don’t bruise or brown soft vegetables and fruits
  • A longer-lasting edge that requires minimal sharpening
  • They don’t react with acids – making them safe for food items like tomatoes and lemons
  • They articulate thin vegetable and fruit cutting due to the sharper blade edge

Final Thoughts: Are Ceramic Knives Dishwasher Safe?

Ceramic knives certainly leave a mark when it comes to the best knives to invest in. They are hard, long-lasting, and deliver exceptional cutting performance.

While they are technically dishwasher safe, you still want to treat them like other types of knives to preserve their longevity.

Hand wash them, store them in a sheath or knife block, and you are guaranteed a lifetime of exceptionally functional knives.


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