When cleaning down clothing, it is impossible to pull collar to wash the down jacket and wash it back and forth. This will cause the down to form a cluster and cause the down garment to be transformed.
If the collar or collar of a down jacket is covered with a woolen collar, the collar must be removed before cleaning down.
In addition, it is better to use special washing fluid to wash down clothes. Washing powder and chlorine containing detergent will destroy the luster and fluffiness of the fabric.
Some people like to expose the down jacket to the sun, and think that it can make the inside down fluffy. Actually, this is wrong. The right way is to dry down the skin and gently flap the down garment with your hands to help the down jacket restore its original fluffy and soft degree.