Let's get straight to it — here's what actually matters on this one.

• Denim doesn't need washing after every wear — most denim experts recommend every 5-10 wears for regular use, longer for raw denim.
• Spot-clean visible stains between washes rather than doing a full wash cycle, which preserves color and fit longer.
• Over-washing denim breaks down the fiber structure faster and fades color more than moderate, infrequent washing.
• If odor is the main concern rather than visible dirt, airing jeans out overnight often solves it without a full wash.

The fit-and-fabric-health takeaway: Denim holds its fit best with less frequent washing — a case where less laundering actually protects both fit and fabric.

Next up: check out our guide on fabric pilling — the causes and fixes.