About Us

Prüfengel offers authentic consumer tests in which real users share their experiences with products. Our tests are based on practical applications in everyday life and reflect the opinions of consumers. As we focus on consumer tests, we do not carry out material, long-term or laboratory tests. Our aim is to provide honest feedback to help you make a purchasing decision. For a detailed insight into our comprehensive evaluation process, which forms the basis of all our product reviews, please click here.

N1
Nail fungus solution

The nail fungus solution from N1 made a good impression in the test. It is an innovative medical product that supports the treatment of nail fungus. Treating nail fungus is a lengthy process that often takes several months, but can be simplified with the right product.
The product is certified throughout the EU and contains the patented active ingredient ISK 1320, which has already proven its worth. It also contains essential oils that care for the cuticle and nail. N1 Nail Fungus Solution creates an unfavorable environment on the nail surface for the growth and spread of fungi. Regular filing of the infected nail removes the fungus layer by layer over weeks and months. It is important to note that no product can “kill” the fungus in a short time. It takes time, patience and regularity, but the N1 nail fungus solution supports the customer along the way.
To summarize, the product is an effective support in the treatment of nail fungus and can be recommended due to its ease of use and high-quality ingredients.

Advantages

✅ Childproof closure
✅ Includes brush for application
✅ Easy to apply

Disadvantages

❌ Needs time to dry

The first impression

Packaging and labeling

ℹ️ Here we take a closer look at packaging. Sustainability is becoming an increasingly important factor. In addition, adequate protection of the product must of course also be ensured.

CriterionRemarkScore achieved*
Product protectionCarton is sturdy, product sufficiently protected100 points
Sustainability PackagingArticle was compactly packed, use of plastic80 points
Product labelingCE marking available100 points
Total93 points
Weighting: 10%
*The maximum score is 100 points
The shipping carton

The nail fungus solution from N1 was delivered together with other products in a typical Amazon box. The box was undamaged and easy to open. Among other things, the box contained the solution in a product box. Plastic air cushions were used to protect the products. This type of packaging ensures that the product is optimally protected from external influences. In this case, the product was fully protected and therefore in perfect condition.
The packaging is partially recyclable. The cardboard box is fully recyclable, while the plastic padding is not.
The nail fungus solution makes a very good impression overall. The product is undamaged and the packaging is in good condition.

After unpacking

Package contents and instructions

ℹ️ Most people’s first impression after unpacking is immediately memorable. Are the contents of the package complete and does the manufacturer make it as easy as possible for me to use the product straight away?

CriterionRemarkScore achieved*
Package contents & scopeNail fungus solution, instructions for use100 points
Instructions for useWritten in German, easy to understand90 points
Contact informationCan be found on the instructions for use, no hotline90 points
OtherQR code on packaging and instructions for use with free e-books90 points
Total93 points
Weighting: 10%
*The maximum score is 100 points

After unpacking, the nail fungus solution and the instructions for use were on the table. The instructions for use contain information on how to use the product. The contact details are given, unfortunately without a hotline number. This can be found via the QR code in the contact details. Various free e-books on the manufacturer’s various medical products can be downloaded via this QR code. Overall, this is a well thought-out and customer-friendly way of sending a product.

The first time in your hand

Product processing and appearance

ℹ️ Before we start the practical test, we take a close look at the product processing. How high quality are the materials used? Is the look and feel satisfactory?

CriterionRemarkScore achieved*
Visual appearanceGood visual appearance90 points
ProcessingGood workmanship90 points
StabilityStable90 points
Sustainability of the productNo information on sustainability80 points
Total88 points
Weighting: 20%
*The maximum score is 100 points
The brush applicator

The nail fungus solution is supplied in a small glass bottle with a brush applicator . The cap is protected with a child safety lock. The labeling is discreet and limited to the essentials. Everything that needs to be stated on a medical product is written on the glass bottle.
As with a medicinal product, the instructions for use are very detailed with general information, explanations of the product and the areas of application, the composition, warnings and possible side effects.
There is no information on the sustainability of the product.

This is what our practical test showed

Does the manufacturer keep its advertising promises?

ℹ️ Our practical test is the most relevant and therefore the most important. Here, the product has to undergo a wide range of criteria and tests. We check the functions and product promises of the test article.

CriterionRemarkScore achieved*
ApplicationApply twice daily to the affected nails and file down weekly90 points
ConsistencyTransparent liquid80 points
YieldGood yield90 points
DryingNeeds some time to dry80 points
Total85 points
Weighting: 40%
*The maximum score is 100 points

Treating nail fungus is a lengthy process that often takes several months, but can be simplified with the right product.
The application is simple: apply the solution to the affected nails at least twice a day and file the nails at least once a week with a coarse file. The solution is suitable for both toenails and fingernails.
N1 Nail Fungus Solution is available in all German pharmacies and online pharmacies. The company takes customer service very seriously and is happy to answer any questions about the productor the treatment of nail fungus.
In order to obtain a meaningful result about the success against nail fungus, the test must be carried out over a longer period of time. Only then can the effectiveness be assessed. According to the manufacturer, it can take a good 6 months or longer for success to become visible.
Overall, it is a good product for the treatment of nail fungus.

Price/performance ratio

and ratings from consumers

ℹ️ Finally, we look at how the product compares to the competition. Can it keep up with the competition in terms of price and quality? Would we generally recommend buying it? We also examine consumer ratings and check whether the critical and positive reviews are actually justified.

CriterionRemarkScore achieved*
Price / performance ratioAppropriate90 points
Rating cut3.8 out of 5.0 on Amazon40 points
Total65 points
Weighting: 20%
*The maximum score is 100 points

On the Amazon platform, consumers have given the product an average rating of 3.8 stars. One common complaint is that the nail fungus solution takes months to have an effect. Many customers like the fact that the solution is easy to apply. In our practical test, we were able to confirm that the nail fungus solution is very easy to apply.

Prices of up to €18.95 are charged on the Internet for equivalent products. Very inexpensive products are available from as little as €7.95. The nail fungus solution from N1 is currently in the middle price segment with a price of €15.10. The price ratio is reasonable for the quality and scope of the product.

Overall result

WeightingScore achieved*
1. packaging & labeling10%93 points
2. package contents & instructions10%93 points
3. product processing & appearance20%88 points
4. in the practical test40%85 points
5. price/performance & consumer ratings20%65 points
Total85 points
*The maximum score is 100 points
Nail fungus solution
of the brand
N1
achieved
85
Points in our test and therefore passed. The test was carried out in the test period
02/23
and is stored in our database under the licence number
230129015
. Further information on our test procedure can be found at www.pruefengel.de/testverfahren.

The practical tests are based on careful observations and do not include long-term or laboratory tests. The test judgements reflect the personal impressions and opinions of the testers who try out the products in everyday use. We would like to emphasise that these evaluations do not claim to be exhaustive and may reflect both subjective and objective impressions. The evaluations are made to the best of our knowledge and belief, without any liability being assumed for the accuracy or completeness of the test results. It is important to note that our tests are not based on legal requirements, medical effects or specific ingredients of the products. We rely on the advertising claims and information provided by the manufacturers, but use of the information is always at your own risk. Our efforts are aimed at ensuring a serious and thorough testing procedure, which has been developed in a long and professional process in close co-operation with our testers.

The practical tests are based on careful observation and do not include long-term or laboratory tests. The test ratings reflect the opinion of our experts and are based on careful analysis. We would like to emphasize that these evaluations do not claim to be exhaustive and reflect both subjective and objective impressions. The assessments are made to the best of our knowledge and belief, without any liability being assumed for the accuracy or completeness of the test results. It is important to note that our tests are not based on legal requirements, medical effects or specific ingredients of the products. We rely on the advertising claims and information provided by the manufacturers, but use of the information is always at your own risk. Our efforts are aimed at ensuring a reputable and thorough testing process, which has been developed in a long and professional process in close cooperation with our experts.

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Evaluation process

You can find a detailed insight into our evaluation process, which forms the basis for our product ratings, here:

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