Grandma's homemade whitening powder recipe that works and makes laundry angelically white

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Tomáš , 23. 12. 2025

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Dirty socks or white shirts and T-shirts that have lost their unique whiteness. This is the nightmare of anyone who adores the whiteness of new clothes. White clothing is a beautiful choice, but the certainty that it will stay white is minimal. Over time white laundry greys or yellows and we stop wearing it. But we have a guide for this homemade bleaching agent. 

Homemade bleaching solution

Each of us has several white items in our closet that we wear only occasionally so they don’t lose their whiteness, or we don’t wear them at all because their beautiful whiteness has faded. The whiteness of these items can be easily maintained and even restored so you can wear them again. 

Bleaching agent

We offer you 2 tips on how to make whitening powder. It’s up to you which one you choose. 

Water and boric acid

Mix 10 liters of water with 20 g of boric acid. Stir so that the acid can dissolve in the water and be absorbed into the garment. Let stand for 2 hours. Then wash the clothes in the washing machine as usual. 

Potassium permanganate and laundry detergent

Mix 200 g of laundry detergent with 10 liters of hot water and a few crystals of potassium permanganate. Stir well until you have a faintly pink mixture; at this point spray the solution onto the garments you need to whiten. Let it sit until the water cools. Then wash the laundry in the usual way.