How to Shrink Clothes in the Wash. Shrinking clothes in the wash can be an effective and cheap method to downsize your clothes. If you own an article of clothing that's a little too large, try shrinking it in the wash as a first step.
How To Un-Shrink Clothes. using baby shampoo. NOTE: You don't have to use baby shampoo. Nearly any kind of soap will work. The idea is give the fibers some lubrication so they relax and slide during stretching.