How to Prevent Clothes from Shrinking

By Zach Pozniak, VP of Operations at Jeeves of Belgravia New York and fourth-generation dry cleaner · @jeeves_ny

How to Prevent Clothes from Shrinking

The best way to prevent clothes from shrinking is to control heat, agitation, and drying time. Most shrinkage happens when fabric fibers are exposed to hot water, a rough wash cycle, or high dryer heat, so the safest routine is simple: wash cold, use a gentler cycle, and air dry or tumble dry low.

What causes shrinkage

Natural fibers like cotton, wool, and rayon are especially vulnerable because heat and moisture can relax the fibers and then lock them into a smaller shape. Once that happens, the garment may never return to its original size.

The safest washing routine

1. Wash in cold water. Cold water is the easiest way to reduce shrinkage risk and it is usually enough for everyday cleaning.
2. Use a gentle cycle. Less agitation means less stress on the fabric, especially for knits and delicate items.
3. Choose a mild detergent. A free and clear detergent is a smart default for most clothes.
4. Skip unnecessary hot washes. Hot water is one of the fastest ways to shrink garments, especially cotton and wool blends.

How to dry without shrinking

Drying is where a lot of clothes get damaged. If you can, air dry on a flat surface or hang dry lighter garments. If you need the dryer, use low heat and pull items out while they are still slightly damp so they finish drying naturally.

For sweaters and knits, flat drying is best. Hanging wet knits for too long can stretch the shoulders and distort the shape, even if the garment does not shrink.

Extra protection for delicate items

Mesh bags are a simple upgrade for delicates. They reduce friction in the wash and help protect garments from snagging, stretching, and excess wear.

If a garment is already shrinking

For mild shrinkage in knits, steaming and gently stretching can sometimes help. For more noticeable shrinkage, soaking in warm water with fabric conditioner and then reshaping flat may recover some size. If a knit has felted or shrunk dramatically, it usually cannot be fully restored.

Best habits to remember

• Read the care label before washing.
• Wash cold whenever possible.
• Use the gentlest cycle that still gets the item clean.
• Avoid high dryer heat.
• Air dry knits and delicate fabrics flat.

If you are unsure about a wool sweater, silk blend, or structured garment, professional cleaning is the safest option.