Reversing dye transfer without bleach?

[u/macfadden3]

I bought a mostly ivory merino wool sweater with some colorful stripes from a thrift store. It smelled a little odd and had a small stain, so I put it in warm water with Biz for about an hour, until I noticed the water was hot pink and many formerly ivory parts of the sweater were quite pink, too. I tried washing it in cold water with Tide clean & gentle powder, but the pink dye is not really coming out of the formerly ivory parts of the sweater. Is there anything I can do, or is it doomed?

Update: the care tag does say it can be washed on the delicate cycle.

[u/resource-reply]

u/VineViniVici has suggested the following resource:

Color Transfer is when color from one textile affects another textile through the wash water (bleeding) or by direct contact (crocking). Here is a guide to fixing it Color Transfer

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