Add 125 ml of hydrogen peroxide to the washing machine during the wash cycle.
For more stubborn stains, apply hydrogen peroxide directly to the fabric before washing.
Hydrogen peroxide is also an excellent disinfectant, so it does double duty: not only will it make your clothes shiny, but it will also rid them of bacteria.
4. Lemon Juice:
Lemon juice is another natural ingredient that can brighten white clothes. Known for its astringent properties, lemon juice can help remove stains and freshen fabrics. While its stain-removing power is somewhat limited compared to other natural ingredients, it works wonders when combined with methods like sun drying.
How to use lemon juice: