La Vie En Rose, La Senza, Victoria Secret all have special underwear detergent for sale.
However regular detergent works just as well, and less costly. Try to use a slightly milder detergent without bleach to wash underwears.
:blowzy:You don't have to say that.
Different types of Jevax are widly used in household cleaning not only for bleaching and disinfection but also for stain removal.
You will find more infomation by reading the lables or just google 'Jevax'