Place your newly tie-dyed garment in the bucket. Allow it to soak for 30 minutes so the vinegar can help set the fabric dye and help your garment retain colorfastness.

Does white vinegar help tie dye stay?

Try soaking your tie dye in equal parts white vinegar and cold water for 30 minutes after you initially rinse out the dye from your garment. The vinegar helps with colorfastness. After the first couple washes, wash tie dye in cold water to prevent dye from fading.

Does vinegar affect dye?

Vinegar can remove red ink and dye stains, fruit and beverage stains, and old perspiration stains, which is why it can also fade certain colors in fabrics.