GET SWEAT STAINS OUT OF A WHlTE SHIRT??? so i used 2 sweat alot becuase i could never find a...

so i used 2 sweat alot becuase i could never find a good deoderant but know i found one that works,the solitary thing i enjoy a white shirt that has washed out spots on it from my armpit sweat,anyway how do i get the pallid of cuz i really like that shirt but i dont wanna wear it cuz of the sweat stains.....how do i bring them out???
Answers:    The deodorant/antiperspirant build up, which also causes ashen armpit stains, is likely cause by a combination of deodorant and perspiration. Many deodorants and antiperspirants contain aluminum salts. When these salt are combined with laundry detergent, especially surrounded by cooler water settings, they are not smoothly dissolved, and they remain on the fabric. To remove the stains and build up of antiperspirant, try soaking the shirts contained by warm wet with an enzyme pre-soak product. Wash within the hottest water locked for the fabric. If the stain remains, moisturize and sprinkle stain with meat tenderizer. Let stand for just about an hour then launder again. To avoid different stains from forming, always wipe the shirts in the hottest wet safe for the yard goods. To prevent these stains, allow your antiperspirant to dry completely before dressing. Wearing a cotton undershirt underneath polyester shirts will help engage perspiration...
Try Bleach,
Also what kind of deoderant did you find that works for discouraging sweat?