You should wash your bra every 2 to 3 wears of the bra.
Washing your bra every 2 to 3 wears helps to maintain your hygiene and prevent buildup of bacterial
Washing the bra every 2 to 3 wears also helps the bra's elastic components retain their shape.
However sports bras should also be washed after every use or wear of the bra.
Bras can collect sweat, oils and dead skin cells which can lead to bacteria growth.
The bacterial growth on the bras can buildup and cause irritation and skin rashes.
Washing your bra also helps to restore your bra's shape and the elastic's ability to stretch and contract.
Washing the bra also removes odors and the feeling of a bra which has been worn too long.
General bras should be washed every 2 to 3 wears.
Sports bras should be washed after every use.
If you have multiple bras, you can also rotate your bras and wash them less frequently.
If you sweat heavily while wearing a bra, then it should be washed more frequently.
Wash your bra using a gentle cycle and cold water and avoid drying the bra in a dryer as it can damage your bras as a result of friction and heat.
Hanging your bra to dry is best to help the bra maintain it's shape.