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Why Glass Cutting Boards Dull Knives and What You Should Use Instead

By Avi Green May 23, 2022

Do you enjoy spending time in the kitchen, experimenting with new recipes and honing your culinary skills? If so, you know how essential a good set of knives is for effortless and precise cutting. But did you know that the type of cutting board you use can significantly impact the sharpness and longevity of your knives?

In this article, we will discuss why glass cutting boards may be detrimental to your knives and explore alternative options that are both safe for your blades and durable for your kitchen needs.

The Problem with Glass Cutting Boards

Glass cutting boards are a popular choice for many kitchen enthusiasts. They are sleek, easy to clean, and have a modern aesthetic. However, they come with a significant drawback - they dull knives much faster than other materials.

When you use a knife on a glass cutting board, the hard surface of the glass can cause the blade to blunt quickly. This is because glass is harder than the steel used in the construction of knives. As a result, the edge of your blade becomes worn down, leading to dullness over time.

Additionally, glass cutting boards lack the necessary give or cushioning that is present in other types of cutting boards, such as wood or plastic. This lack of cushioning can cause your knife to chip or break, further reducing its sharpness.

The Importance of Using the Right Cutting Board

Using the right cutting board is essential not only for the longevity of your knives but also for your safety in the kitchen. Dull knives can be more dangerous to work with as they require more force to cut through ingredients, increasing the risk of slips and injuries.

By choosing a suitable cutting board, you can ensure that your knives stay sharp and functional for longer periods, saving you the hassle and expense of frequent sharpening or replacing your blades.

Recommended Alternatives to Glass Cutting Boards

Now that we have established why glass cutting boards aren't ideal for maintaining the sharpness of your knives, let's explore some alternative options that are both knife-friendly and practical for everyday use:

  1. Wood Cutting Boards: Wood cutting boards are a classic choice for many chefs and home cooks. They are gentle on knife edges, reducing the amount of wear and tear. Additionally, the natural oils in wood provide some antimicrobial properties, making them a hygienic choice for food preparation. Just be sure to maintain and oil your wood cutting board regularly to prevent warping or cracking.
  2. Plastic Cutting Boards: Plastic cutting boards are affordable, lightweight, and easy to sanitize. Look for high-density polyethylene (HDPE) or polypropylene (PP) boards, as they are gentle on knives and resistant to knife marks. Avoid thin or flimsy plastic boards that may warp or have deep grooves that can harbor bacteria.
  3. Bamboo Cutting Boards: Bamboo cutting boards are eco-friendly and offer many of the same benefits as wood cutting boards. They are durable, knife-friendly, and have natural antibacterial properties. Opt for bamboo boards made from single-ply construction rather than laminated versions, as they are less prone to cracking.
  4. Composite Cutting Boards: Composite cutting boards are made from a combination of materials, such as wood fibers and resin. They offer the best of both worlds - the durability and knife-friendliness of wood and the easy maintenance of plastic. Look for composite boards that are specifically designed for cutting and chopping.

Remember, regardless of the type of cutting board you choose, it's crucial to practice good knife hygiene. Clean and dry your knives immediately after use, and never leave them soaking in water or place them in the dishwasher.


In conclusion, while glass cutting boards may be aesthetically pleasing and easy to clean, they are not the best choice for maintaining the sharpness and longevity of your knives. Opt for alternatives such as wood, plastic, bamboo, or composite cutting boards that are gentle on your blades and provide the necessary cushioning.

Investing in the right cutting board will not only ensure the longevity of your knives but also enhance your culinary experience by allowing you to work with sharp, precise tools. So, say goodbye to glass cutting boards and hello to a knife-friendly kitchen!

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