Yes—white vinegar can help laundry, but the viral claim that it magically whitens whites is overstated. Its more reliable benefit is helping remove detergent/mineral residue, which can make towels feel stiff.
The right way to use vinegar in laundry
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For towels: Add about ½ cup (120 mL) of plain distilled white vinegar to the fabric-softener dispenser during the rinse cycle. This helps rinse away residue and can leave towels feeling less stiff.
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For a regular load: About ¼–½ cup is generally plenty; more isn’t necessarily better.
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For whites: Vinegar may help remove some odors and residue, but it isn’t a substitute for oxygen bleach or chlorine bleach when you need substantial whitening.
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Don’t pour vinegar directly onto clothing if you can avoid it. Using the dispenser allows it to be diluted during the rinse.
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Don’t mix vinegar with chlorine bleach. The combination can produce dangerous chlorine gas.
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Don’t mix vinegar with commercial laundry products unless the product instructions specifically allow it. In particular, don’t combine it with bleach.
One important towel tip
Avoid routinely using fabric softener on towels. It can coat the fibers and reduce their ability to absorb water. Vinegar can be useful occasionally for removing accumulated residue, but you don’t need it in every wash.
If your goal is really white towels, a better routine is detergent + appropriate water temperature + occasional oxygen bleach (when the care label permits), rather than relying on vinegar alone.
