cosmetics testing


CE.way cosmetics testing services are the cosmetic product tests that are requested by the EU cosmetics regulation 1223/2009 and performed at our accredited laboratory using the testing methods that are accepted by the EU authorities.

Cosmetics Testing service.

Click on any of the tests and get more information about our own cosmetics testing service.

Microbiology testing

Microbiological specifications need to be provided for cosmetic products that are placed on the EU market. Microbiological testing is vital in ensuring cosmetic product safety.

CE.way can test your products for all of the most commonly investigated microbiological specifications of finished products, therefore ensuring the safety of your products and their compliance with the EU cosmetics regulation.

  • Total aerobic plate count (ISO 21149:2017)
  • Yeast & mould count (ISO 16212:2017)
  • Pathogens test
    • Staphylococcus aureus (ISO 22718:2016)
    • Pseudomonas aeruginosa (ISO 22717:2016)
    • Candida albicans (ISO 18416:2015)
    • Escherichia coli (ISO 21150:2015)
microbiology testing cosmetics

Contact us to find out more about the microbiology testing and to receive a quote.

cosmetics challenge test PET

Challenge test – preservative efficacy test (PET)

Challenge test or preservative efficacy test (PET) is one of the parts of the Product Information File and the reference to it has to be made in the Cosmetic Product Safety Report (CPSR). According to ISO 29621 every cosmetic manufacturer has to ensure that the product, as purchased, is free from the numbers and types of microorganisms that could affect product quality and consumer health, as well as to ensure that microorganisms introduced during normal product use will not adversely affect the quality or safety of the product. The latter can be ensured by performing the challenge test. Basically challenge test checks how effective your preservative system is.

CE.way checks the preservation system effectiveness using the standard ISO 11930:2019. The test is based on the inoculation of a cosmetic product with 5 different strains of microorganisms: Staphylococcus aureus, Pseudomonas aeruginosa, Candida albicans, Escherichia coli, Aspergillus brasiliensis. The remaining concentration of these microorganisms is then determined after 7, 14 and 28 days.

Challenge test is not required for certain products, such as products that don’t contain water, products that contain more than 20% alcohol, have pH below 3 or above 10, where containers are filled at more than 65 degrees celsius, products that contain certain raw materials that create a hostile environment, or for products packaged in aerosols, pump dispensers or single dose units. Any lack of challenge test however must be duly justified.

Contact us to find out more about the challenge test, to see if it applies to your products and to receive a quote.

Stability and compatibility test

The primary objective of conducting stability testing is to indicate the relative stability level of a product under the various conditions that it can be subjected to from the moment it is manufactured until the end of its validity.

The purpose of the test is to evaluate whether the product will meet the prescribed physical, chemical and microbiological quality standards, its functionality, safety and aesthetics over a period of time during handling, transport and storage under appropriate conditions.

Based on the stability test results we also assign the shelf life or the period after opening to the product.

The type of packaging also affects the stability of the product as it protects the product from the external environment.

On the other hand, potential leaching of substances of the packaging into the product have to be evaluated. That’s why compatibility between the packaging and its content has to be investigated, in order to ensure that no quality problems are inducted by the type of packaging material used.

Cosmetics stability test can be performed in real time or it can be accelerated. The time that it takes to complete the test and the conditions under which it is performed can vary, as can the parameters that are monitored during the stability and compatibility test. However, accelerated stability tests normally include keeping the samples at elevated temperatures (37, 40 or 45 degrees) during a period of 3 months. Additionally, CE.way also tests the stability in a refrigerator and performs freeze thaw test, which is usually used to predict stability of the product during transport. If transparent packaging is used, we would also test the stability of the product when exposed to sun light.

CE.way offers a range of different cosmetics stability tests conducted according to ISO 18811:2018 and we help you choose the right one based on the type of your product and its desired shelf life. During the stability test we monitor:

    • Various physical and chemical specifications of the product (such as pH, viscosity and density)
    • Organoleptic properties of the product
    • Microbiological specifications (Candida albicans, Pseudomonas aeruginosa, Staphylococcus aureus, Mold and yeast)
    • Packaging compatibility

If you want to find out more, please check our blog on the stability and compatibility test.

Contact us to find out more about the stability and compatibility test and to receive a quote.

CE.way efficacy tests for cosmetics

Claim substantiation / efficacy tests

Any claims made on the cosmetic product labels or in any other advertising material, whether explicit or implicit, need to be supported by adequate and verifiable evidence and need to fulfil the following EU common criteria on claims: legal compliance, truthfulness, evidential support, honesty, fairness, informed decision-making.

CE.way cooperates with a testing laboratory that performs experimental studies using state-of-the-art measurement techniques, as well as consumer perception tests, in order to help you prove the efficacy of the following types of products:

Besides these we also offer skin irritation tests or patch tests, which are conducted under dermatologist supervision, enabling you to claim “dermatologically tested”. The following tests and measurements can be conducted:

  • Evaluation of skin hydration
  • Evaluation of skin elasticity/firmness
  • Evaluation of melanin content of the skin
  • Evaluation of skin/scalp pH (balancing effect)
  • Evaluation of skin temperature
  • Evaluation of pores (size)
  • Evaluation of sebum content of the skin/scalp
  • Evaluation of depth and degree of wrinkles
  • Evaluation of skin pigmentation (presence and size of dark spots)
  • Evaluation of diameter of the hair
  • Evaluation of hair density
  • Evaluation of dandruff presence
  • SPF (sun protection factor) test
  • UVA test
  • Semi occlusive/occlusive patch test

Additionally, we can offer in-use tests of your products, combining instrumental tests with consumer perception tests, various sensorial evaluations etc.

Contact us to find out which claims we can help you prove.

Safety assessment

Cosmetic product safety assessment is a vital part of the Product Information File, and each product placed on the EU market has to pass a safety assessment. Safety assessment is a part of the Cosmetic Product Safety Report (CPSR). CE.way can perform safety assessments for your cosmetic products according to the standards set out in the EU Regulation 1223/2009.

Safety assessments have to be conducted by a properly qualified person with relevant qualifications.

CE.way’s team of highly qualified EU safety assesssors has years of experience and has conducted hundrends of safety assessments for various manufacturers with various types of cosmetic products.

Cosmetics safety assessment

Contact us to find out more about the safety assessments and to receive a quote.

Contact us to find out more about our services and to receive a quote.


What our clients say about us

We've hired CE.way to do stability and challenge tests on our products and we were very satisfied with their service. Stability tests are performed very thoroughly and everything is included in the base price, unlike at some other testing laboratories.
Luke | South Korea