It would seem that what could be simpler than washing underwear in a washing machine?
But even in such a simple, at first glance, process there are some nuances (not counting the fact that it is recommended to wash bras in cold water and it is forbidden to dry them in a machine).
If your underwear has bones, you should wash it only by hand. Don't agree to make such sacrifices? At the very least, get a laundry bag (put your bra in it fastened) - thanks to it, your underwear will not lose its shape.
Another type of underwear for which hand washing is recommended: otherwise, the filling may wrinkle. Place the bra in a basin with water and powder, leave for an hour, then carefully wash and send to dry.
Such underwear often contains spandex, which is damaged by hot water. Keep this fact in mind when washing, and also remove the inserts if present.
This type of lingerie is made with lace and also comes with pads: these are at least two reasons why you should use the hand washing method.
Care instructions vary depending on the specific material, but since maternity and nursing underwear is typically made from cotton, they are not subject to the machine wash ban.