How often each item actually needs washing
Short answer: Underwear and socks after every wear, t-shirts after one or two, sweatshirts after three to five. Airing replaces some of the washes.
Underwear and socks every time
They sit directly against the skin and absorb sweat all day. They go in the wash after every wear without exception. See bamboo underwear for women.
Tops depend on the day
A t-shirt worn at a desk can be aired and worn again. If you have been sweating, wash it. See bamboo t-shirts for women.
Sweat and home clothes last longer
Outer layers touch the skin less. Three to five wears between washes is normal. See bamboo sweatshirts for women.
Airing works
A night on a hanger in fresh air removes most odour from bamboo viscose. That saves both time and wear.
Frequently asked questions
How often should bamboo t-shirts be washed?
After one or two wears, depending on activity. After sweating, always.
Can bamboo clothing be aired instead of washed?
Yes, often. Bamboo viscose binds odour less strongly than synthetic fibres.
Does washing wear clothes out?
Yes, every wash costs a little. Fewer and gentler washes noticeably extend the life.