Can Cutting Sugar Really Sharpen Dull Scissors? Here’s What I Found

I recently came across a popular household tip claiming that dull scissors can be sharpened simply by cutting into a bowl of ordinary sugar.

At first, the idea sounded unusual. Sugar is inexpensive, easy to find, and already sitting in many kitchens, so I was curious whether this trick could actually restore a worn cutting edge.

After trying it, I found that the results were far less dramatic than the videos and posts online might suggest.

How the Sugar Trick Is Supposed to Work

The basic method is simple: place some granulated sugar in a bowl and repeatedly open and close the scissors through it.

People who recommend the trick often suggest that the grains of sugar act as a mild abrasive, supposedly helping to improve the cutting edge.

That explanation sounds reasonable at first. Sharpening does involve abrasion, after all. However, the material doing the sharpening needs to be capable of removing or reshaping a very small amount of metal from the blade.

That is where sugar becomes questionable.

What Happened When I Tried It

I tested the idea with an older pair of household scissors that had become noticeably less effective.

I carefully cut through some dry granulated sugar several times and then wiped the blades clean.

The scissors seemed to move a little more smoothly afterward, but the improvement was minor. They certainly weren’t transformed into a new pair of scissors.

When I tested them again on paper, they still struggled with some cuts.

That made me wonder whether the sugar had actually sharpened the blades at all.

Does Sugar Actually Sharpen Scissors?

Probably not in any meaningful way.

The metal used for most quality scissor blades is substantially harder than ordinary granulated sugar. Because of that, sugar isn’t a practical abrasive for reshaping a steel cutting edge.

A proper sharpening material is designed to remove a controlled amount of metal from the blade and restore its geometry.

Sugar doesn’t provide that kind of sharpening action.

So if your scissors are genuinely dull because their cutting edges have worn down, cutting through sugar isn’t a reliable way to restore them.