How do I remove sweat stains from work out cloths?
“1) The faster you get the effected clothing into the wash, the better your chances of removing the stain. I often take more workout clothes right off and put them directly into the wash. 2) For removal, soak the effected clothing in the sink or wash tub with a half scoop full of Oxyclean. Let it sit for 30-60 min or more depending on the stain. Wash like normal afterwards. This method works wonders. My first experiement with this I used a rather expensive Ted Baker dress shirt. Not only did it remove the unsightly stains, but it maintained the vivid colors of the shirt.” Sources: http://lifehacker.com/software/cleaning/go-away-sweat-stains-287148.