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.

Simprax®
Shoe impregnation

simprax® shoe impregnation promises a high-performance solution for protecting your shoes against water, dirt and abrasion. The simple application without heat activation and the effective protective effect from the first thin layer make this product particularly user-friendly. It also has an impressive long-term effect that prevents wear and extends the life of the shoes. The safety aspects, including the odorless and environmentally friendly formulation, speak for themselves. Additional functions such as easier shoe cleaning and maintaining breathability complete the picture.

Advantages

✅ Water and dirt repellent
✅ easy dosage
✅ Environmentally friendly formula
✅ Long-term effect
✅ kind to the skin

Disadvantages

❌ Use of plastic

The first impression

Packaging and contents

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 guaranteed. Are the contents of the packaging complete and does the manufacturer make it as easy as possible for me to use the product straight away?

CriterionRemarkScore achieved*
Product protectionCarton is sturdy, product sufficiently protected100 points
Sustainability PackagingNo unnecessary packaging waste, but use of plastic80 points
Package contents & scopeShoe impregnation with spray attachment100 points
Instructions for useMultilingual, clearly written100 points
Total95 points
Weighting: 20%
*The maximum score is 100 points

The shoe impregnation is carefully packaged. The sturdy cardboard box offers sufficient protection during transportation. Although unnecessary packaging waste has been avoided, the use of plastic film could possibly be a point of criticism for some consumers. The product packaging contains a shoe impregnation including a spray attachment. Application instructions and a product description in five languages (German, English, French, Italian, Spanish) are printed on the packaging.

The first time in your hand

Product processing and appearance

ℹ️ Before we start the practical test, we take a close look at the workmanship of the products. How high quality are the materials used? Are the look and feel satisfactory?

CriterionRemarkScore achieved*
Visual appearanceAttractive design100 points
ProcessingVery good workmanship100 points
StabilityStable and robust100 points
Sustainability of the productClimate-neutral, biodegradable, vegan, GOTS approved, OEKO-TEX certified100 points
Total100 points
Weighting: 20%
*The maximum score is 100 points
Schuh Imprägnierung Vorderseite
Shoe impregnation
Front side

The shoe impregnation is characterized by a simple, timeless design. The workmanship is very good, with no visible defects such as scratches, dents or other damage. The materials used for the container appear stable and make a robust impression. The manufacturer has thought about sustainability . The product is climate-neutral, biodegradable, vegan, GOTS and OEKO-TEX certified and has been awarded the Amazon Climate Pledge Friendly.

This is what our practical test showed

Does the manufacturer keep its advertising promises?

ℹ️ Our practical test has the highest relevance and therefore weighting. 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*
ApplicationQuick and easy, for shoes made of membrane, textile and mixed fabrics100 points
Protective effectVery good, one coat is sufficient, protection against water, dirt and abrasion100 points
Long-term effectAbrasion-resistant, increases service life100 points
SecurityOdorless, skin-friendly, water-based, no harmful perfluorocarbons100 points
Additional functionsEasier cleaning, transparent, maintains breathability, check for shoe discoloration90 points
Total98 points
Weighting: 45%
*The maximum score is 100 points

Applying the shoe impregnation is very easy and only takes a few minutes. The product can either be sprayed on or applied with a brush or sponge. The impregnation is suitable for shoes made of membrane, textile and mixed fabrics, without the need for heat activation . The protective effect is very effective. Even a thin film provides sufficient protection against water and dirt. The product is also abrasion-resistant, as the waxes it contains fuse with the textile fibers when it dries. This effectively protects against wear and prolongs the life of the shoes. In addition to protecting against external influences, the impregnation offers additional functions such as facilitating shoe cleaning and maintaining breathability. The product is also odorless and transparent , water-based, fragrance-free and free from harmful perfluorocarbons. Very good skin compatibility has also been confirmed. Before use, the product should be tested on an inconspicuous area for possible discoloration.

Price/performance ratio

and ratings from consumers

ℹ️ Finally, we examine 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 look at the consumer reviews and check whether the critical and positive reviews are actually justified.

CriterionRemarkScore achieved*
Price / performance ratioVery good performance in the mid-price segment80 points
Rating cut4.3 out of 5.0 on Amazon65 points
Total73 points
Weighting: 15%
*The maximum score is 100 points

On the platform Amazon, customers rate the product with an average of 4.3 stars. Customers praise the effective protective effect and the odorless application. Some mention the product’s coverage. However, some buyers report that their shoes remain water-permeable even after impregnation.

Prices of over €26 are charged on the Internet for equivalent products. Very inexpensive products are available for as little as €7 . With a price of € 14.99, the shoe impregnation from simprax® is therefore currently in the middle price segment. For the quality and performance received, the price-performance ratio is good.

Overall result

WeightingScore achieved*
1. packaging & contents20%95 points
2. product processing & appearance20%100 points
3. in the practical test45%98 points
4. price/performance & consumer ratings15%73 points
Total94 points
*The maximum score is 100 points
Shoe impregnation
of the brand
Simprax®
achieved
94
Points in our test and therefore passed. The test was carried out in the test period
11/23
and is stored in our database under the licence number
231114003
. 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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