How to Wash New Jeans for the First Time

Why the First Wash Matters

New jeans come with excess indigo dye and finishing chemicals from the manufacturing process. The first wash removes some of that loose dye and softens the fabric, but it also sets expectations for how the color will fade. According to CottonWorks, cotton garments shed microfibers during washing, but cotton microfibers biodegrade, so you do not need to worry about contributing to microplastic pollution the way synthetic fibers do. Understanding the composition of your denim helps you choose the right care routine. For a breakdown of denim fabrics, see our Denim Fabric 101.

The EPA reports that textiles make up a significant portion of landfill waste. Taking steps to care for your jeans properly extends their life and reduces waste. This guide walks you through the best practices for a first wash so your new pair looks great and lasts for years.

If you skip the first wash, the excess dye can rub off on your skin, other clothing, or furniture. Washing new jeans before wearing them also removes any chemicals used during finishing, which can be harsh on sensitive skin. This is especially important for dark or heavily dyed jeans, as they tend to bleed the most during the initial wears.

Before You Wash: Preparation

A little preparation goes a long way in protecting your jeans. Follow these steps before the first wash.

• Check the care label for specific instructions.
• Turn the jeans inside out to protect the outer surface and reduce fading.
• Close all zippers and buttons to prevent snags and avoid damage to other items.
• Separate dark jeans from light clothing to prevent color transfer.
• Use a mild, color-safe detergent free of bleach or optical brighteners.

Choosing Water Temperature and Cycle

Cold water is usually the best choice for the first wash unless the care label says otherwise. Cold water helps retain indigo dye and minimizes shrinkage. A gentle or delicate cycle reduces friction, which can cause fading and wear. For heavily soiled jeans, you might use a regular cycle, but that increases stress on the fabric.

If you have stretch jeans, a gentler cycle also helps preserve elastane fibers. High heat and excessive agitation can break down elastic over time. For more on stretch denim, see our Stretch Denim vs Rigid Denim guide.

Some people add vinegar or salt to the first wash to set the dye, but the evidence is mixed. The most reliable way to reduce dye bleeding is to wash in cold water with a color-safe detergent. If you want to try vinegar, add half a cup to the rinse cycle, but it may leave a residue. The effectiveness depends on the dye type and denim finish. For more on dye absorption, see Denim Colorfastness.

Drying: Air Dry vs. Tumble Dry

Air drying is the safest method for new jeans. High heat from a dryer can cause excessive shrinkage and weaken the fibers, especially in stretch blends. Hang the jeans by the waistband or lay them flat to dry. Avoid direct sunlight for dark colors, as UV rays can fade indigo.

If you must use a dryer, choose the lowest heat setting and remove the jeans while they are still slightly damp. This reduces the risk of over-drying and helps maintain the fit. For more on drying techniques, see How to Dry Jeans.

Special Care for Raw Denim and Stretch Jeans

Raw denim has not been pre-washed, so it will shrink more on the first wash. Many raw denim enthusiasts recommend waiting several months before the first wash to let the fabric mold to your body. If you do wash raw denim, use cold water and minimal detergent, and always air dry. See our Raw Denim Shrinkage for details.

Stretch jeans contain elastane or other synthetic fibers that can degrade with heat and agitation. Use cold water and a gentle cycle, and avoid the dryer. High heat destroys stretch recovery over time. For more on stretch care, see Why Stretch Jeans Bag Out and How to Improve Recovery.

After the First Wash: Breaking In

Once the first wash is complete, reshape the jeans while damp to maintain their fit. Press out excess water without wringing, which can cause wrinkles. If you air dried them, they may feel stiffer than before; this is normal, and they will soften with wear.

For the first few wears, be mindful of indigo transfer. Sit on light-colored furniture only after the jeans are completely dry. To keep the color fresh, follow the care tips in our How to Keep Dark Jeans Dark.

Troubleshooting Common First-Wash Issues

If you notice heavy dye bleeding during the first wash, it is not a sign of poor quality. Some bleeding is normal, especially for dark indigo. To reduce future bleeding, wash the jeans alone or with similar dark colors for the first few cycles. You can also add a commercial dye fixative if you prefer, but test it on an inconspicuous area first.

If your jeans shrink more than expected, you can try to gently stretch them while damp and lay them flat to dry. This works best if you catch the shrinkage early. Because cotton fibers swell and contract with moisture, future washes in cold water and air drying will minimize further change. See our How to Unshrink Jeans and Restore Fit for more detailed steps.

What to pick for your wash routine

Questions

Should I wash new jeans before wearing them?

Yes, unless they are raw denim and you plan to go without washing for a while. Washing removes excess dye and chemicals, and it can prevent dye from transferring to your skin or other clothes. Check the care label first. For raw denim, many enthusiasts recommend waiting as long as possible to allow the fabric to mold to your body, but a quick cold water rinse followed by air drying can still be done if you prefer.

Does the first wash always cause shrinkage?

Some shrinkage is possible, especially for raw denim or cotton-dominant fabrics. Washing in cold water and air drying minimizes shrinkage. If you need to size down slightly, a warm wash and tumble dry on low might help, but this will accelerate fading. See our Expected Shrinkage in Finished Jeans for more details.

Can I use regular detergent?

You can, but a mild, color-safe detergent without bleach or optical brighteners is gentler on indigo dye. Avoid fabric softeners, which can coat the fibers and affect stretch. Look for detergents labeled for delicates or dark colors. A small amount is usually enough; too much detergent can leave residue that attracts dirt.

How do I prevent indigo bleeding onto my couch or other clothes?

Wash new jeans separately for the first few washes, and turn them inside out. After washing, dry them thoroughly before sitting on light furniture. If you notice bleeding on other clothes, wash them immediately with a color catcher sheet. See Indigo Bleeding and Transfer for more.

Is it better to hand wash new jeans?

Hand washing is the gentlest method and works well for raw denim or delicate finishes. For most jeans, a machine's delicate cycle with cold water is fine, as long as you turn them inside out and use a mesh bag if you have one. Hand washing gives you more control and is less likely to cause friction. See How to Hand Wash Jeans and How to Machine Wash Jeans Without Damaging Them for detailed steps.