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Do Cutting Boards Dull Kitchen Knives? The Truth Revealed

By Avi Green August 27, 2022

Do Cutting Boards Dull Kitchen Knives? The Truth Revealed

As kitchen enthusiasts, we know that a sharp knife is an essential tool for efficient and enjoyable cooking. But have you ever wondered if your choice of cutting board can affect the sharpness and longevity of your kitchen knives? In this article, we will explore the common misconception of whether cutting boards dull knives or not.

Understanding Cutting Boards and Their Impact

There are various types of cutting boards available in the market, including wooden, plastic, bamboo, and glass boards. Each material has its unique characteristics and impact on the sharpness of your kitchen knives.

Wooden cutting boards, often crafted from hardwood like maple or walnut, are preferred by many chefs due to their natural beauty and durability. However, they can cause more wear on the knife edge compared to other materials. The fibers of the wood can be abrasive and may cause the knife to dull faster.

On the other hand, plastic cutting boards are typically made of high-density polyethylene (HDPE) or polypropylene (PP) materials. These boards are known for their ease of cleaning and maintenance. While they are less likely to dull your knives, they tend to show visible cut marks more easily.

Bamboo cutting boards have gained popularity in recent years because of their eco-friendliness and natural antimicrobial properties. However, similar to wooden boards, they can cause faster dulling of knives due to the hardness of the bamboo fibers.

Glass cutting boards, although visually appealing and hygienic, are the least friendly to kitchen knives. The hard and unyielding nature of glass can quickly wear down the knife edge, leading to dullness and reduced cutting performance.

Best Practices for Preserving Knife Sharpness

While the choice of cutting board material can have an impact on knife sharpness, proper knife care and maintenance are equally important for prolonging the life of your knives. Here are some best practices to consider:

  • Regularly hone and sharpen your knives using a high-quality knife sharpener. This helps to maintain the keen edge of the blade, regardless of the cutting board material.
  • Handle your knives with care to avoid dropping them on hard surfaces. Even the most durable cutting boards can't protect knives from damage caused by rough handling.
  • Choose the right knife for the task at hand. Using the appropriate knife for each cutting job reduces the risk of unnecessary damage to the blade.

Investing in Quality Kitchen Knives

While the choice of cutting board plays a role in preserving knife sharpness, it is equally important to invest in high-quality kitchen knives. A well-crafted knife made from premium materials will retain its sharpness for a longer time, even with regular use on various cutting boards.


It's clear that the type of cutting board you use can affect the sharpness and longevity of your kitchen knives. Wooden and bamboo boards tend to cause faster dulling, while plastic boards are less likely to damage the knife edge. Glass boards should be avoided altogether to maintain optimal knife performance. Remember, regular honing and sharpening, coupled with careful knife handling, will help extend the lifespan of your kitchen knives, regardless of the cutting board material.

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