Washing cycling clothes

All my stuff is washed with liquid soap flakes on the 30 degree 'sports' setting on my washing machine.
Some of my previously white stuff is now sort of grey. Is there any way to restore some whiteness? I've tried white vinegar which doesn't appear to have helped albeit I only used a small amount.
Also, is is possible to get rid of black grease marks that are dried in? I put some WD40 to see if that would extract some but that ended up completely ruining the top.
Some of my previously white stuff is now sort of grey. Is there any way to restore some whiteness? I've tried white vinegar which doesn't appear to have helped albeit I only used a small amount.
Also, is is possible to get rid of black grease marks that are dried in? I put some WD40 to see if that would extract some but that ended up completely ruining the top.
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You can also clean your chain with it.
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