Short answer: a microfibre glass cloth leaves no streaks because the fibres are split. Those wedge-shaped openings pull dirt and grease inwards instead of pushing them across the glass. That is why you only need warm water and why no film of cleaning agent is left behind for dust to cling to.
You probably know the moment: the sun hits the window you have just cleaned and you see smears you did not put there yourself. That is rarely down to your technique and almost always down to the cloth in your hand.
What makes a split fibre different from an ordinary cloth?
Most cleaning cloths have round fibres. Those mainly push the dirt ahead of them. The fibres of the iZi-Clean Wonder Cloth are split at a microscopic level, like a cake cut into countless slices. Between those points a capillary action arises, and that does two things at once:
- Dirt disappears into the cloth. Grease and dust are pulled deep into the wedge-shaped openings instead of being smeared around.
- The bond with the glass breaks. The cloth loosens the grip between dirt and glass, so even fingerprints let go without any effort.
The difference is in the fibre, not in the bottle
Where an ordinary cloth moves the dirt around, the split microfibre absorbs it. That is why you no longer see a haze in backlight, just glass. Take a look at the iZi-Clean Wonder Cloth in the 12-pack.
Why do your windows get dirty again faster from glass cleaner?
Glass cleaners with perfume or shine agents leave a wafer-thin film on the glass. At first sight that looks clean, but that film attracts dust like a magnet. Within a few days you are cleaning all over again.
With a Wonder Cloth we recommend nothing but warm water. The cloth removes the dirt physically instead of dissolving it, so nothing is left behind for dust to cling to. You can read more about that approach on our page about streak-free window cleaning.
Why does a good glass cloth keep doing its job for years?
The difference is in the density of the weave. Cheap cloths lose their shape and strength after a few washes: they shed and pill, and it is exactly those loose fibres that cause streaks on glass and mirrors. A densely woven microfibre keeps its structure, and with it its result.
One cloth, the same result for years
A cloth that loses its structure costs you an extra pass every single time. So choose a weave that keeps doing what it promises. You will find all the varieties in the Wonder Cloths collection.
How do you get the best result out of your glass cloth?
- Never use fabric softener. It fills the spaces between the microfibers with a greasy film, which makes the cloth lose its absorbency.
- Work slightly damp. The cloth is at its best when it is lightly damp. The moisture then evaporates right away, without leaving droplets.
What else can you use the same cloth for?
Anything that shines or reflects benefits from the same fibre: glassware, display cabinets, car windows and mirrors. For mirrors we have written out the approach step by step on the page about streak-free mirror cleaning.
From window to mirror with the same cloth
You do not have to build up a cupboard full of products. One cloth, warm water and a steady hand are enough for glass, mirrors and high gloss. Take a look at the Dark Pack of 4.
What does it get you in the end?
Finished faster, fewer products in the house and windows that stay clean longer because there is nothing on them. That is the whole idea behind streak-free cleaning at iZi-Clean.
Why households choose iZi-Clean
- More than 300,000 households came before you
- 15,000+ reviews collected via Trustpilot, Judge.me and WebwinkelKeur
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- 98% of our customers are completely satisfied