Jeans can sometimes come out of the wash with strange ripples, puckering, or wrinkles that make them look worn out. This usually happens because many modern jeans contain stretch materials like Lycra or elastane.

“Most jeans aren’t 100 percent cotton.”

These stretchy fibers are sensitive to heat. Hot water and high dryer temperatures can weaken the material, causing the denim around it to lose shape and create uneven ripples.

“Lycra doesn’t like heat.”

Frequent washing can also damage jeans over time. Washing too often wears down fibers, especially in stretch denim, making the fabric more likely to wrinkle or warp.

“Experts recommend washing jeans much less often than you’d think.”

Movement inside the washing machine is another cause. Jeans are twisted, stretched, and tangled during cycles, especially if the machine is overloaded. This can leave some parts pulled tight while others shrink differently.

“The washer is twisting then stretching the fabric.”

Water absorption also plays a role. Denim becomes heavy when wet, and stretchy jeans may not absorb water evenly. Some sections swell more than others, leading to uneven drying and puckering.

“The uneven swelling is problematic.”

To help prevent ripples, wash jeans in cold water and avoid heat whenever possible. Air drying is often the safest option, but if using a dryer, low heat is recommended.

“Wash in Cold Water Only.”

Turning jeans inside out before washing can reduce friction and fading. Using a gentle cycle or hand washing can also protect the fibers.

“Wash Jeans Inside Out.”

Leaving enough room in the washer and dryer is equally important. Overloading machines can cause jeans to dry in twisted positions, making wrinkles harder to remove.

“Your jeans need breathing room.”

With a few simple habits, jeans can stay smoother, keep their shape longer, and avoid that unwanted wavy look after laundry.