How to whiten clothes and remove old yellow stains

Sun exposure
There is no doubt: the sun plays a very important role in bleaching white clothes.

Maybe you didn’t know it, but sun exposure is very effective in returning white clothes to their original appearance. Apply a neutral detergent to your clothes and leave them exposed to the sun for an hour, then wash as normal.

Be very careful not to abuse this method. While the sun is effective at lightening white clothing, it can also damage it if overexposed.

Other tips to avoid yellow stains
Do not wash white clothes with colored clothes. Always wash clothes inside out to avoid stains.
Avoid using bleach, as it wears out your clothes and can be counterproductive.
To whiten clothes, add the juice of two lemons and a pinch of salt to the liquid detergent.
Now that you know how to whiten clothes and remove yellow stains without resorting to industrial products, immediately apply one of the tricks described above to return your favorite clothes to their original color.