After washing, jeans often develop strange ripples or puckering, and it’s not just bad luck. Modern denim usually contains a blend of cotton and Lycra for stretch, but Lycra is sensitive to heat. Hot water or high dryer heat can degrade this fiber, causing the surrounding denim to warp permanently.

Overwashing also weakens denim fibers significantly. Many people wash their jeans far more than necessary, which speeds up wear and leads to uneven shrinkage. This excess washing gradually breaks down the fabric’s structure and elasticity.

The movement inside your washing machine creates additional problems. Jeans get twisted and stretched during the cycle, especially when the machine is overloaded. This uneven tension results in waves or puckers forming in specific areas rather than overall shrinkage.

Denim absorbs water unevenly too. Stretchy fabrics swell more in some areas than others, and as they dry, these sections shrink at different rates. This leaves the jeans looking distorted and misshapen after a complete wash cycle.

Overcrowding in the washer or dryer makes matters worse. Jeans can dry in twisted positions that set unwanted creases permanently into the fabric. Once these creases set, they become nearly impossible to remove.

To prevent rippling, always wash jeans in cold water and avoid high heat. Air drying is best, but if using a dryer, choose a low setting and remove jeans while slightly damp. Turning them inside out reduces friction during the wash cycle.

Give your jeans space in the machine and consider using a gentle cycle or hand washing. This proper care keeps jeans smooth, maintains their original shape, and significantly prolongs their lifespan.