Here’s a natural way to bleach yellowed towels and napkins without using bleach or baking soda

Let them soak for about two hours. For heavily stained items, you can leave them overnight.

5. Rinse and wash:

After soaking, rinse well with clean water, then wash by hand with neutral soap or as usual in the washing machine.

Extra tips:

Avoid mixing with vinegar or other acids, as they will cancel out the active oxygen’s effects.

Use gloves when handling very hot water to protect your skin.

This whitening method is also great for pillowcases, white underwear, or tablecloths.

Store sodium percarbonate in a tightly sealed container in a dry place, since moisture can activate it prematurely.