Are Plastic Cutting Boards Safe?

Plastic cutting boards have been marketed as the hygienic choice for decades. The reality is more complicated — and recent research raises serious questions about whether plastic belongs in your kitchen at all.

The Microplastics Problem

A 2023 study published in Environmental Science & Technology found that cutting on a plastic board releases microplastics directly into food. Researchers estimated that a single plastic cutting board can shed between 14 and 71 million microplastic particles per year into the food prepared on it. Microplastics have been found in human blood, lung tissue, and breast milk. The long-term health effects are still being studied, but the presence of plastic particles in food is not in dispute.

The Bacteria Myth

The common claim that plastic cutting boards are more hygienic than wood has been challenged by food science research. A study from UC Davis found that bacteria on wood cutting boards were drawn down into the wood grain and did not multiply, while bacteria on plastic boards remained on the surface and multiplied readily — especially in knife grooves where cleaning is difficult. Wood also contains natural antimicrobial compounds that inhibit bacterial growth.

The Wood Advantage

A properly maintained wood cutting board — conditioned regularly with a food-safe beeswax conditioner — is harder, more durable, gentler on knife edges, and free of microplastic shedding. It improves with age rather than degrading. And it doesn't end up in a landfill after two years of use.

The switch from plastic to wood is one of the simplest, most impactful changes you can make in your kitchen. Shop The Plastic-Free Cutting Board →