How can i get yellow sweat stains off my white shirts?

Question

hi whats the best way to get those yellow stains from sweat off white shirts? they are usually just around the sleeve/under arm part of the shirt but their on almost all of my white shirts..

Answer 1

what the h**l are those yellow stains? they do my head in!!! lol x*x

Answer 2

Soak in OxyClean  

Answer 3

Oxy Clean is great for getting whites white.  Much better than using bleach.  Sometimes bleach makes whites turn yellow.  This is sold in grocery stores.