A knife is only as good as the care it receives. Even an excellent chef's knife will dull quickly and become unpleasant — even unsafe — to use if it's washed carelessly, stored loosely in a drawer, or never sharpened. The good news is that proper knife care takes only a few consistent habits.
Wash by hand, every time
Dishwashers are hard on knives. The heat, moisture, and jostling against other utensils dull edges and can chip or corrode blades over time, and handles can loosen or crack. Wash knives by hand with warm water and mild soap immediately after use, dry them right away with a towel, and avoid letting them soak in a sink — standing water is bad for both the edge and the handle material.
Hone regularly, sharpen occasionally
These are two different actions and people often confuse them:
- Honing realigns the edge that's already there. Running the blade along a honing rod before or after use — every few uses is reasonable for a home cook — keeps the edge straight and performing well between sharpenings.
- Sharpening actually removes metal to create a new edge. This is done far less often, typically every few months for a regularly used knife, using a whetstone or a professional sharpening service.
A quick sharpness test
Try slicing through a ripe tomato without pressing down. If the blade tears the skin instead of gliding through, it's time to sharpen.
Store knives so the edge is protected
Loose drawer storage is one of the fastest ways to dull and chip a blade — knives knocking against other metal utensils takes a toll, and it's a safety hazard when reaching into the drawer. Better options include:
- A knife block on the counter
- A magnetic strip mounted on the wall
- In-drawer knife trays with individual slots
- Blade guards or sheaths if you must store knives loose
A few everyday habits that add up
- Always cut on wood or plastic boards — glass, stone, and ceramic surfaces dull edges fast.
- Never use a knife to pry, scrape hardened food, or cut through bone unless it's designed for it.
- Keep the blade dry — moisture left on carbon-containing steels can lead to spotting or rust.
- Handle a dull knife with extra caution — dull blades slip more often than sharp ones because they require more pressure.
The takeaway
Hand wash, dry immediately, hone often, sharpen occasionally, and store the blade so nothing knocks against it. These five habits, repeated consistently, will keep any decent knife performing well for years — no special equipment or expertise required.