2025-01-06 When it comes to kitchen knives, one of the most crucial aspects for both home cooks and professional chefs is edge retention—the ability of a knife to maintain its sharpness over time. A dull knife not only makes cooking less enjoyable but can also be dangerous. This article will explore the types of kitchen knives that stay sharp the longest, the materials that contribute to their longevity, and best practices for maintaining their sharpness.