First, the GUPPYFRIEND Washing Bag protects your apparel. The textiles lose fewer microfibers compared to washing without the bag. It reduces wear and tear and hence you can enjoy your clothes much longer. That’s why you’ll find only a few microfibers in the washing bag.

Second, the microfibers that do break are caught by the mesh and do not make their way into the marine ecosystem. And finally, the washing bag is a daily reminder to wash less and to buy better.

Every textile will lose microfibers, but it is the synthetic materials (polyester, acrylic, nylon, etc.) that shed the harmful fibers. Most apparel contains synthetic fibers to some degree (unfortunately, even when it is not stated on the label. Labelling rules are flexible, and a 100% wool sweater can contain 10+% of synthetic components).

You can also put pure cotton and wool inside the bag. Textiles from natural materials also lose fibers. The bag reduces fiber breakage and thus protects your garments and reduces wear and tear. You’ll enjoy your clothes much longer – another sustainability benefit of the GUPPYFRIEND Washing Bag.

  1. Put synthetic textile into GUPPYFRIEND. Max half full and separate colors.
  2. Close the GUPPYFRIEND and wash as usual.
  3. Take out the wet textile after washing.
  4. Remove the released microfibers from the hems inside the GUPPYFRIEND and dispose properly.

Broken fibers float in the bag and eventually end up at the edges, where they gather in the seams and corners. When enough microfibers collect, take them out with your finger and dispose of properly. (Also see: What do I do with the captured microfibers?).

It depends on what and how you wash (also see: What causes the breaking of microfibers?). Older apparel has the tendency to lose more fibers. The hotter your water, the more likely you’ll lose fibers. And if you only wash soft fabrics, fewer microfibers will break, etc. Whenever you see fibers, take them out, but you can certainly use the washing bag several times before removing the fibers. Depending on the amount of fiber, it is recommended to clean it every two or three washes. Make sure that there are no dark microfibers left in the bag when you wash clothes with lighter colors.

GUPPYFRIEND consumers contacted us because they found very few fibers. This is because the microfibers are extremely tiny and barely visible to the naked eye. And that is part of what the bag does (see also What is the GUPPYFRIEND Washing Bag good for?): Due to its soft surface and the structure of the filament, fewer fibers actually break.

The GUPPYFRIEND Washing Bag was designed to reduce microfiber loss at the source. The structure of the filter surface is optimized to achieve the smoothest surface possible, to protect your garment, to avoid pilling and to reduce fiber loss.

Mechanical forces, one of the main causes of fibers breaking, are reduced by the softness of the filter mesh. The microfibers are extremely tiny and barely visible to the naked eye, and most of the (added) plastic fibers in your textiles are transparent. So, it is hard to detect them, especially in a wet filter bag.

Hence it is perfectly fine when you don’t find microfibers at first. But they will collect over time. You’ll find them mostly in the upper corners or the seam.

But don’t expect to find a lot. It’s the few tiny microfibers that make their way from each washing machine into rivers and oceans that – taken all together – cause harm to oceans and sea life.

It depends on where you live. Most European countries have a landfill ban. In this case you can simply put it into the household trash. In general, it is not a good idea to put it into the recycling cycle (gelber Sack, Wertstofftonne, Grüner Punkt). It may get blown away and eventually end up in the waterways.

In Germany household waste is incinerated to generate electricity and does not end up in landfills. The fumes are in fact being filtered and are 99% non-toxic.

We are working on further information here on the website on how best to locally dispose the microfibers. If you know how it is best taken care of in your area, please let us know. Check out the STOP! MICRO WASTE collection bin. It’s the best way to collect the fibers in your bathroom before you dispose of them properly, and it’s meant to be a conversation-starter around the topic of microfiber pollution.

We are also currently getting our heads around solutions to re-use the fibers and discuss with NGOs and industrial partners a take-back system similar to the one for batteries.

We produce shoes and textiles under the LANGBRETT brand in the most sustainable and fair way possible. LANGBRETT is a group of surfers and nature lovers. Our products are made of natural materials. However, we also offer selected outdoor apparel from other brands. After having spoken to a marine activist, we realized that we are contributing to the micro waste problem, too. We founded the nonprofit STOP! MICRO WASTE. The idea for the GUPPYFRIEND Washing Bag was born after a brainstorming session in our favorite beer garden in Berlin.

The idea took only a couple of beers; creating the bag, a lot longer. 

For more information on STOP! MICRO WASTE please check here.

So far, we haven’t come to the end of a GUPPYFRIEND Washing Bag’s useful life, even though we have done extensive testing. Certainly, it depends on how you treat it: Use liquid detergent preferably, avoid zippers and any other edges, avoid direct sunlight and don’t wash it above 95°C/ 203°F, and you’ll enjoy the washing bag for many washing cycles. After a few washes, the washing bag doesn’t look new anymore, but still does its job perfectly.

Do not rinse the bag under running water and do not overfill it. If your clothes are really dirty, fill the bag less. In any case, the clothes have to be able to move inside the bag to get properly clean. We recommend filling it halfway, and removing coarse dirt and animal hair before doing the laundry.

Wash only clothes of similar colors together in the bag, and before you wash other colors in the bag, take out all remaining microfibers.

Do not iron the washing bag – the crumpled surface is normal. As we don´t use any toxic UV blockers, it is essential to avoid direct sunlight on the bag.

We have found that clothes lose fewer microfibers when washed in cold water and at a lower spin speed. Using a front loader will also result in fewer microfibers being shed. Having the right detergent will affect the lifetime of your GUPPYFRIEND: some detergent powders contain mineral abrasives to achieve a better cleaning result. These powders can harm any piece of clothing and should be avoided. With liquid detergent, you’ll always be on the safe side. Wash less often. Purchase clothes made of (environmentally sustainable) natural materials.

Apart from the zipper the bag is entirely made of Polyamide 6.6. The material is untreated, undyed, and does not contain any additives. It’s pure and can even be used in a medical context.

Recycled material doesn’t work (yet) for this kind of high-tech mesh. But the washing bag is designed so it can easily be recycled with identical materials at the end of its lifecycle: The whole bag – except the zipper – is made of a single material. Please send your GUPPYFRIEND back at the end of its lifecycle. We’ll reuse and eventually recycle them into new GUPPYFRIEND Washing Bags.

We are starting with a standard size medium: 50×74 cm / 19.7×29.1 inches. We’ll offer other sizes in the future; special solutions for hospitals, textile production and industrial laundries are available upon request. However, the medium-size bag is the most efficient for household use. If you put all your clothes into one big bag, they will lose more microfibers by rubbing against each other than if you use two GUPPYFRIENDs.

So, it’s better to use two medium washing bags than one big one.

Unfortunately, most of the PFCs used to impregnate textiles are water-soluble. Consequently, they cannot be filtered out. If possible, always purchase garments without PFCs.

The mesh is made out of monofilaments, which are more like sticks than threads, and thus does not release fibers itself. On rare occasions, depending on the mechanical condition of your washing machine, the binding tape around the bag may release a few fibers. The binding tape’s total surface is 0.05m2 and about 100 times smaller than the textiles inside. A washing bag filled with three fleece jackets has an approximate potential fiber-losing surface of 1,9m2 (inside and outside). We are working on alternatives, but we have accepted this compromise at the moment because it extends the overall lifetime of the bag. We constantly test and improve the overall quality of the bag itself and its washing and stability performance.

No. Do your laundry as you would do it without the washing bag. For example, a dark-colored shirt inside the bag with whites outside the bag doesn’t make sense. The washing bag doesn’t change that.

During the washing process, all clothes lose fibers. The fibers break out of the garment’s structure because of mechanical bending and abrasion stress. These broken fibers are typically from 50 µm up to 15mm long and often not thicker than 10µm. Keep in mind: 1µm = 0.001 mm, or about 0.000039 inch.

Our filter mesh is fine enough to filter out even the smallest of these broken fibers. Consequently, we can theoretically filter 100% of fibers.

The fibers break out of the garment’s structure because of mechanical bending and abrasion stress during washing and daily use. But there are many other causes of fiber loss: e.g. the fiber properties themselves, the textile design, the blend of fibers, the spinning method, the weaving and knitting processes. Washing habits also heavily impact the release of microfibers. The overall number of washes is relevant, but also the water temperature, the hardness of the water, the amount and kind of detergent, the duration of each wash, the type of washing machine, rotations per minute, the kind of textiles that are washed together and many more.

Let’s take scenario A): We wash an used fleece jacked that we just wore for a run (mechanical forces) together with a pair of jeans and a shirt in the GUPPYFREIND washing bag. The fabrics inside the bag will lose many ‘bigger’ microfibers. In this scenario, the bag will capture almost all the microfibers. Its efficiency is 100% (or close).

In scenario B), we’ll put a new, cheaper fleece jacket inside the GUPPYFRIEND washing bag. Only a few fibers break, because it is new and washed alone in the bag. Tiny nanoparticles are on the surface of the fabric, for example from the manufacturing process. These will not be held back by the bag. The overall microfiber loss is approx. 1.4 g of residues. The bag does not capture dissolved substances, nanoparticles or dust. Only two-thirds of the released fibers will be held back by the bag in this scenario. The efficiency of the bag is somewhere close to 70%.

We have done uncountable wash tests with various test institutes, universities and industrial partners in Europe and the USA. We will do more testing with the Fraunhofer Institute and the German Textile Research Institute to understand more about the parameters affecting microfiber shedding. Based on these results, we have come up with ideas for reengineering textiles and insights on how to gradually improve the GUPPYFRIEND, come up other filter solutions, and alternatives to existing, harmful textiles and production methods.

We are also working on a film to make the testing process and results transparent and public.

Conclusion: What we can claim is that textiles washed inside the GUPPYFRIEND lose fewer fibers compared to those washed without the bag, and that the washing bag reliably filters out the microfibers that break during washing.

It’s the backflushing effect. For clothes inside the bag, water pressure comes from both directions. Thus, the fibers are not pressed through the mesh.

The microfibers are so tiny that they would block the filters immediately, literally within seconds (please see why GUPPYFRIEND and not any other solution?). The pressure of the water would also push the fibers through the mesh and the filter would have to be changed constantly. We have a working prototype and there are others working on it too, but it will still take some time until these filters work effectively and are available on the market. Until than GUPPYFRIEND will do its job.

The diameter of a thread is as small as 15μm (μm = microns, 1mm = 1,000 μm). It could theoretically slip through the tiny openings of the GUPPYFRIEND bag. But it doesn’t. To get through, it would need to poke directly through the mesh. Most often even if it sticks out, the fiber will be pushed back inside the bag.

All garments consisting of synthetic fibers are causing harm. According to the MERMAIDS Life+ project acrylic, nylon and polyester are the major culprits.

However, you’ll find different numbers in different sources. In the end, it doesn’t really matter how many exactly. It’s a lot and we need to prevent them from harming the marine ecosystem.

We are working on functional fabric and mesh that lose fewer microfibers over their lifetimes. Other solutions besides the washing bag need to follow. Now. Not in 5 years. But it’s not only the industry that has to provide solutions. It’s also us: Buy better and less, wash only if really necessary, substitute synthetic fibers with (environmentally sustainable) wool or cotton, etc.

It’s not realistic for everybody to stop wearing synthetic fibers, but it already helps if customers are aware of alternatives.

The washing bag has no effect on the washing result. Washing agent and water reach the textiles. As long the textiles are able to move around in the washing bag (do not overfill) your laundry gets clean while the sea stays unpolluted. The German Textile Research confirms the bags efficiency. They tested among others stains of blood, chocolate, clay and ketchup. We recommend  removing coarse dirt and animal hair before doing the laundry.

The microfibers are so tiny that they would block the filters immediately, literally within seconds. The pressure of the water would also push the fibers through the mesh and the filter would have to be changed constantly. We have a working prototype and there are others working on it too, but it will still take some time until these filters work effectively and are widely available on the market. Until than Guppyfriend will do its job.

Neither washing machines nor wastewater treatment plants can filter microplastic fibers from our clothing satisfactorily. With the wastewater from our households, the tiny microplastic fibers that break during washing get into the wastewater treatment plants.

However, countless particles escape the filter systems and make their way into our waters. According to a study from the University of California at Santa Barbara, an average of 60% – 99% of the microplastic particles can be filtered out of the water.
In Germany, only 20 of about 10,000 wastewater treatment plants have the so-called treatment stage 4, whose primary purpose is to purge our wastewater of medical waste.

Microplastic fibers are exceedingly difficult to filter. Due to their shape and streaming properties, they pass the filter systems much more often than other types of microplastics, such as pellets, microbeads from cosmetics and other plastic fragments.

Even if they can be filtered, the plastic particles end up in the environment via sewage sludge. If the sewage sludge is not incinerated, it is used as fertilizer in the fields. From here, the microplastic particles bound in the sewage sludge make their way into the oceans.

Another problem is collective sewer overflows. They act to relieve the sewage system in rainy conditions. In order to prevent backwater in households in case of heavy rain, the wastewater flows through the sewers untreated.

Incidentally, wastewater from the gullies does not take the detour via a wastewater treatment plant, but gets into our water widely unfiltered. This way, microplastic particles from tires and shoe soles, as well as microplastic fibers that are in the air and in the sewage sludge, pollute our environment.

To sum up: For technical reasons, the filter facilities of the wastewater treatment plants are not sufficient to prevent the pollution of our oceans by microplastics.

What can we do about it? We have to rethink our buying habits, as well as conforming our washing habits.

All garments consisting of synthetic fibers are causing harm. According to the MERMAIDS Life+ project acrylic, nylon and polyester are the major culprits.

However, you’ll find different numbers in different sources. In the end, it doesn’t really matter how many exactly. It’s a lot and we need to prevent them from harming the marine ecosystem.

During the washing process, all clothes lose fibers. The fibers break out of the garment’s structure because of mechanical bending and abrasion stress. These broken fibers are typically from 50 µm up to 15mm long and often not thicker than 10µm. Keep in mind: 1µm = 0.001 mm, or about 0.000039 inch.

Our filter mesh is fine enough to filter out even the smallest of these broken fibers.

For more information on what you can do to prevent microfibers entering the environment, check our TEN FOR THE OCEAN Washing Guide: www.stopmicrowaste.com/tenfortheocean

Apart from the zipper the bag is entirely made of Polyamide 6.6. The material is untreated, undyed, and does not contain any additives. It’s pure and can even be used in a medical context.

Recycled material doesn’t work (yet) for this kind of high-tech mesh. But the washing bag is designed so it can easily be recycled with identical materials at the end of its lifecycle: The whole bag – except the zipper – is made of a single material. Please send your Guppyfriend back at the end of its lifecycle. We’ll reuse and eventually recycle them into new Guppyfriend Washing Bags.

We are starting with a standard size medium: 50×74 cm / 19.7×29.1 inches. We’ll offer other sizes in the future; special solutions for hospitals, textile production and industrial laundries are available upon request. However, the medium-size bag is the most efficient for household use. If you put all your clothes into one big bag, they will lose more microfibers by rubbing against each other compared to using two Guppyfriends.

Unfortunately, most of the PFCs used to impregnate textiles are water-soluble. Consequently, they cannot be filtered out. If possible, always purchase garments without PFCs.

The diameter of a thread is as small as 15μm (μm = microns, 1mm = 1,000 μm). It could theoretically slip through the tiny openings of the GUPPYFRIEND bag. But it doesn’t. To get through, it would need to poke directly through the mesh. Even if it sticks out, the fiber will be pushed back inside the bag.

As a part of a test program, the Fraunhofer Institute UMSICHT has confirmed that the Guppyfriend washing bag not only reliably retains microfibers, but also protects the textiles: Compared to washing without the Guppyfriend, 86% fewer fibers shed from synthetic textiles.

These are the applied washing conditions:

  • 40° C, 99 min, 800 rpm
  • Parallel washing cycles in two identical machines, at least 3 test repetitions for calculating the average of the value measured (mean).
  • Use of synthetic clothing duplicates
  • Filtration of the entire wash water via sieving cascade to 20 microns
  • Drying of the laundry and the screen residue in moderate conditions (30°C, circulating air, cover)
  • Before and after weighing of the textiles and sieve residue to determine the respective textile abrasion

No. Do your laundry as you would do it without the washing bag. For example, a dark-colored shirt inside the bag with whites outside the bag doesn’t make sense. The washing bag doesn’t change that.

 

If so many fibers do not break in the first place, you will find less of the already tiny microfibers in the corners of the Gupyyfriend washing bag. However, the lifetime of the clothings are extended. Our preferred plastic fibers are those that do not shed at all. Further tests are taking place and a scientific publication on this test series is in the planning stage.

Profits are reinvested in further activities to address the microwaste problem and to avoid single-use plastics.

We already take action to reduce microwaste and hope to extend the scope of the following activities:

  • Inform about microplastic pollution: What can be done to reduce microwaste above and beyond the Guppyfriend?
  • Accelerate re-engineering of textiles: With our countless and on-going washing tests, we receive and share valuable information on how to improve garments to reduce microfiber shedding.
  • Extend our STOP! Plastic Academy lectures on how to avoid microwaste and single-use plastics.
  • Initiate local activities -so called STOP! Stations- to actively reduce (micro)plastic pollution
  • Research for innovative, pragmatic solutions to reduce microfiber-pollution.

STOP! MICRO WASTE
Ackerstraße 113
40233 Düsseldorf
Germany

  • Do not put the bag into the tumble dryer
  • do not rinse under running water
  • wash only clothes of similar colors together in the bag
  • anything sharp may harm the material of the bag
  • do not iron (the crumpled surface is not a problem)
  • use only liquid detergents
  • do not dry in the sun
  • remove coarse dirt and animal hair before washing
  • Wash together with other Guppyfriends or with nonsynthetic textiles to avoid an unbalance
  • do not overfill – the clothes need space to move inside the bag

No. When there is no water in the bag, the material becomes statically charged. The electrostatic reaction of round plastic material (in this case the garment and the round nylon monofilament of the Guppyfriend) creates a magnetic field that exactly does what shouldn´t happen to the filter mesh and shed fibers: the small broken fibers are heavily attracted and orientate towards the mesh surface in a 90 degree angle. As a consequence they go straight through the mesh. When there is water in and around the bag the shed fibers lay in various angles on the mesh and don’t puncture it.

Every textile loses microfibers, but it is the synthetic materials (polyester, acrylic, nylon, etc.) that shed the harmful fibers. Most apparel contains synthetic fibers to some degree (unfortunately, sometimes it is not stated on the label).

You can also put pure cotton and wool inside the bag. Textiles from natural materials also lose fibers. The bag reduces fiber breakage and thus protects your garments and reduces wear and tear. You’ll enjoy your clothes much longer – another sustainability benefit of the Guppfriend Washing Bag.

No. Depending on what you wash it may take a couple of washes until you find fibers in the upper corners of your bag. (also see: What causes the breaking of microfibers?). Older apparel has the tendency to lose more fibers. The hotter your water, the more likely you’ll lose fibers. And if you only wash soft fabrics, fewer microfibers will break, etc. Whenever you see fibers, take them out, but you can certainly use the washing bag several times before removing the fibers. Make sure that there are no dark microfibers left in the bag when you wash clothes with lighter colors.

Guppyfriend consumers contacted us because they found very few fibers. This is because the microfibers are extremely tiny and barely visible to the naked eye. And that is part of what the bag does (see also: Who tested the bag and what are the results? ): Due to its soft surface and the structure of the filament, fewer fibers actually break.

Certainly, it depends on how you treat it: Use liquid detergent preferably, avoid zippers and any other edges, avoid direct sunlight and don’t wash it above 95°C/ 203°F, and you’ll enjoy the washing bag for many washing cycles. After a few washes, the washing bag doesn’t look new anymore, but still does its job perfectly.

The Guppyfriend Washing Bag was designed to reduce microfiber loss at the source. The structure of the filter surface is optimized to achieve the smoothest surface possible, to protect your garment, to avoid pilling and to reduce fiber loss. (see also: Who tested the bag and what are the results? )

Mechanical forces, one of the main causes of fibers breaking, are reduced by the softness of the filter mesh. The microfibers are extremely tiny and barely visible to the naked eye, and most of the (added) plastic fibers in your textiles are transparent. So, it is hard to detect them, especially in a wet filter bag.

Hence it is perfectly fine when you don’t find microfibers at first. But they will collect over time. You’ll find them mostly in the upper corners or the seam.

But don’t expect to find a lot. It’s the few tiny microfibers that make their way from each washing machine into rivers and oceans that – taken all together – cause harm to oceans and sea life.

It depends on where you live. Most European countries have a landfill ban. In this case you can simply put it into the household trash. In general, it is not a good idea to put it into the recycling cycle (gelber Sack, Wertstofftonne, Grüner Punkt). It may get blown away and eventually end up in the waterways.

In Germany household waste is incinerated to generate electricity and does not end up in landfills. The fumes are in fact being filtered and are 99% non-toxic.

That actually does not depend on the Guppyfriend, but on the washing-instructions and the level of staining of your clothes. But: we wash too hot anyway. The warmer we wash, the more short-lived our clothes will be. For more information about that, check the TEN FOR THE OCEAN Washing Guide.

Just take out the released microfibers on a regular basis. The bag is self-cleaning. Do not rinse the bag under running water.

WHO TESTED THE BAG?

The bag was tested for a period of three years by scientific institutes, universities, representatives of the outdoor- and fashion industry and retailers. These tests serve as a basis for offering the Guppyfriend Washing Bag to their clients as a temporary solution for micro plastic pollution. Mainly, we have tested the Washing Bag with the following scientific and independent institutes:

  • German Textile Research Institute, DTNW
  • Fraunhofer Institut UMSICHT
  • University of California in Santa Barbara as part of a Patagonia research program

WHAT ARE THE RESULTS

The Guppyfriend washing bag reduces fiber loss during washing in two ways:

  1. The Guppyfriend Washing Bag reduces the amount of breaking fibers significantly. The Fraunhofer Institute UMSICHT has confirmed an average amount of a) 79% for partly synthetic clothes, b) 86% from completely synthetic textiles. The lifetime of the apparel is extended.
  2. Fibrous residues and lints caused by washing are retained by the Guppyfriend and therefore do not pollute the waste water. The determined fiber retention capacity in all test was above 90%, -mostly close to 100%. Nanoparticles, like production residues, often found on cheaper textiles can not be hold back by the Guppyfriend Washing Bag.

FURTHER TEST RESULTS

  • No toxic additives or harmful substances where found on the product.
  • Even after 50 washing cycles the bag and all seams are intact (ISO 6330). The bag itself does not lose any synthetic fibers (the Guppyfriend Washing Bag can be used for more than the tested 50 washing cycles when applied correctly)
  • Cleanliness after washing: blood, ketchup and chocolate could be washed out properly, the washing degree towards skin fat and clay is sufficient.
  • The amount of fibers that are found in the bag depends on washing conditions and clothing itself

TO SUM UP

The Guppyfriend reduces the fibers breaking significantly, those fibers that do break are hold back reliably, the clothes get clean and -if correctly applied- the Guppyfriend keeps harmful microplastic from entering our rivers and oceans for a long time.

To the test 

 

 

The Guppyfriend Detergent can be used for daily laundry. It is especially useful when you can’t separate synthetic textiles with hard and soft surfaces.

The Guppyfriend Detergent can be used with any kind of textiles, especially for synthetic or part-synthetic textiles. A special version for delicate textiles like wool and silk with synthetics is coming soon, too.

The special formula of the Guppyfriend Detergent reduces sheer forces in the washing machine while protecting the synthetic fibers.

Both, the Guppyfriend Washing Bag and the Guppyfriend Detergent, prevent micro plastic fibers from breaking. Due to mechanical forces during usage, lots of broken fibers are loosely on the surface of your textiles. That’s why we recommend the Guppyfriend Washing Bag. It protects your clothes und holds back those fibers, that are already broken, too.

Yes. We tested it. The washing efficiency is not reduced.

The Guppyfriend Detergent protects the colors and neither contains any abrasives nor whitener.

Yes, but it’s negative impact decreases it’s efficiency.

Yes, sure. But our favourite scenario is that you don’t have to wash any synthetic textiles at all.

1000 ml last for an average of 16 washing cycles in a washing machine with a capacity of 4,5 kg at an average water hardness and regular dirt. Do not overdose. Further instructions on the dosage can be found on the back of the packaging.

Soon, the Guppyfriend Detergent will be available in selected outdoor stores, clothing brands and drugstores, as well as in our online store (link).

If you are interested in wholesale, contact us: us@guppyfriend.com

Please do not overdose and follow the instructions on the packaging.

The Guppyfriend Detergent is the world’s first detergent resulting in clean textiles and significantly less plastic pollution caused by washing. According to tests of the German Textile Research Institute DTNW, up to 98% less synthetic fibers shed during washing.

Here you’ll find the test results: www.guppyfriend.com/test

 

The Guppyfriend Detergent

  • worldwide first organic detergent to prevent micro plastic pollution
  • reduces the abrasion of synthetic fibers up to 98%*
  • patented, plastic reduced packaging
  • no palm oil
  • biodegradable
  • use of local resources
  • produced in Austria
  • no abrasives
  • 100% vegan

The Guppyfriend Detergent is available for synthetic textiles and for wool and silk with synthetics. Both versions come in the scents arolla pine, lavender and neutral.

The Guppyfriend Detergent is mainly made of local resources: canola oil from Upper Austria, arolla pine oil from Tyrol. All ingredients are listed on the back of the packaging.

Yes, like most organic detergents.

The German Textile Research Institute DTNW tested the Guppyfriend Detergent for a period of more than three months. The test was conducted at 30° C in a washing machine of type A. The dosage of the detergents complied the suggested dosage at an average degree of dirt. In the published test, a customary fleece jacket made of 100% PES (Polyethylene succinate) was washed together with jeans during three washing cycles. A precision scale was used to weigh the textiles. Before doing so, the wash load was dried lying under laboratory conditions using UV radiation.

The result: Due to the Guppyfriend Detergent, the abrasion of fibers was reduced significantly up to 98%. We will conduct further tests and publish the results.

Yes. These are the results. Please find more information on the test methods and the test results in FAQ: “Who tested the efficiency of the Guppyfriend Detergent and what are the results?”

The patented packaging is made of 100% recycled cardboard and a 60% reduced and recyclable plastic center. The cardboard can be removed easily and added to the recycling process. Put the bag and the lid into the recycling container separately.

When washing nothing but the Guppyfriend Washing Bag, certain kinds of washing machines may become unbalanced during the spin cycle. To prevent damage, it automatically stops spinning or reduces the speed.

To avoid that, please add natural textiles or a second Guppyfriend Washing Bag to your laundry load.

The mesh is made out of monofilaments, which are more like sticks than threads, and thus does not release fibers itself. On rare occasions, depending on the mechanical condition of your washing machine, the binding tape around the bag may release a few fibers. The binding tape’s total surface is 0.05m2 and about 100 times smaller than the textiles inside. A washing bag filled with three fleece jackets has an approximate potential fiber-losing surface of 1,9m2 (inside and outside). We are working on alternatives, but we have accepted this compromise at the moment because it extends the overall lifetime of the bag. We constantly test and improve the overall quality of the bag itself and its washing and stability performance.