Note that this soak will work better with natural fabrics like cotton and wool than with synthetic fabrics like polyester or rayon.
Use rubber gloves to protect your hands form the baking soda if you have sensitive skin.
Lay the garment out flat and let it air dry.
Note that this soak is intended for items made from knit fabrics like cotton, cashmere, or wool, which can be shrunk and unshrunk much more easily than synthetic fibers or silk.
If your clothing is made of a thick knit fabric, soak it for 20 minutes or more. Do not leave it to soak for longer than 2 hours. [9] X Research source
Do not rinse the clothing with clean water after draining the liquid.
After doing this, the clothing item should be damp, but not wet.
Do not trace the clothing with a felt tip pen or marker as the ink may run and stain your garment. Do not use regular paper, which may get mushy and lose its shape when damp.
Do not use anything with sharp or uneven edges to pin down the garment, as these items could rip or damage the fabric.
The water will help to loosen the tightly-knit fibers, which will help the jeans stretch.
Since jean fabric is tough and resilient, you do not need to worry about ripping it. Be careful to avoid any decorative touches that may be on your jeans, such as rhinestones or intentional rips in the fabric.
