These substances can oxidize over time, leaving behind those not-so-pretty yellow marks.
But dont sweat it.
There are a few methods to combat the discoloration.

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Hot water is best for sanitizing and cleaning laundry, but ensure to check the care label for recommendations.
Apply it to the stain, let it sit for a bit, then gently wash it away.
Repeat the process if needed.
Apply the vinegar directly to the clothing and let it soak for about 15 minutes before washing.
She also likes a baking soda paste but she likes to mix hers with vinegar for increased stain-removing power.
Squeeze some directly onto the stain and rub it gently.
The sunlight helps enhance the bleaching effect, she explains.
What About Bleach For Yellow Stains?
Bleach might seem like the obvious solution forrestoring white fabrics, but it has its drawbacks.
But there are measures we can take to prevent ruining a brand-new blouse or bedding.
Wash clothes and items regularly and buy covers to protect those pillows, she adds.
Instead, opt for natural fabric softeners like vinegar or baking soda, she says.
Breathable fabric bins are better than plastic containers that don’t allow air to circulate.