1, soak the wool cap in warm water at 30℃-50℃, or steam it in a pot for 20 minutes, let it slowly recover its shape until it almost recovers its shape, and then put it in cold water for setting. Finally, remember not to wring it out when drying, but to dry it flat.

2. Use a steam iron to help. Put the steam iron about two centimeters above the hat with one hand, let the steam soften the fibers, and then shape the hat with the other hand. In this way, when both hands are used together, the sweater will return to the original state of tighter fibers.

3. Take it to the dry cleaner for plastic surgery.

Note: When drying the wool cap, in order to avoid the wool cap from getting bigger and longer, it is best to spread the wool cap flat and dry it.

Extended data:

Washing and daily maintenance of wool caps;

1, clean wool cap with neutral detergent.

2, washing wool hat need to pay attention to the use of neutral detergent, so if the hat is wool hat will not damage the material of the hat. When washing wool caps, you must not use washing powder, especially washing powder with enzyme. The main component of wool is protein, and the enzyme will hydrolyze protein, which may deform the wool hat.

3. Wash the wool cap with warm water.

4. The reason for washing wool caps with warm water is that warm water is more powerful for dust removal. Soak the wool cap for 5 to 10 minutes, and then gently wipe it until it is clean.

5. When the wool cap is not worn, it needs to be stored in a dry place to avoid the wool cap from being moldy for a long time, because the wool cap will only be worn frequently in autumn and winter, and a good storage place should be chosen when it is not worn.