Stain Problem. Help!? Anyone have any model how to get rid of sweat stains from...

Anyone have any model how to get rid of sweat stains from denim jeans?

I tried scrub the stain with deteregent..I've scrub it with vinegar..and I soaked the jeans surrounded by vinegar for about 2 hours..but the stain is still in that.

Any advice would be greatly appreciated!
How can I verbs the outside of the...
Answers:    I conjecture there's a stain remover called Oxyclean. Anything that uses O2 should be appropriate. I don't know how it works, but it does.
How do i remove bbq grease stains from...
Oxy Clean!!! It works wonders!!