Before placing a product on the market, it is necessary to conduct extensive testing.
Located at the same location as the research and development department, a modern laboratory, certified according to ISO 9000:2015 and accredited for testing cosmetic products, can perform all the analyses necessary for placing products on the EU market as well as on the other markets. Within the laboratory, over 2000 different analyses can be made depending on the needs (type of product, composition, target market). In general, the basic analyses that have to be performed for a cosmetic product are listed below.
When placing a product on the market, it is necessary to analyse the safety of the product itself, which most often includes examination of: organoleptic characteristics of the product, microbiological quality of the product, pH and peroxide number values, heavy metal content, potential impurities that may be present in the product from raw materials and/or packaging (the test parameters depend on the type of the raw material and packaging in which the product is contained).
For formulations with the high proportion of aqueous phase, i.e. formulations that are suitable for the development of microorganisms, it is necessary to carry out preservative efficacy testing (PET) to determine whether the product is suitable or resistant to the development of microorganisms. Additionally, it is possible to determine to what extent the preservative used suppresses the growth of certain microorganisms. This analysis is of utmost importance when deciding on the type of packaging for a cosmetic product.
Before placing a cosmetic product on the market, extensive cosmetic product stability testing should be conducted to determine whether the product will be stable within the foreseen shelf-life under normal conditions of use, storage and transport.
Among other tests carried out (effect of freezing temperature, vibration in transport, packaging compatibility, UV radiation, etc.), a real-time test is performed to determine the stability of the product. For example, if a foreseen shelf-life is one year, the product is monitored over a period of one year on the parameters that are assessed as relevant based on the characteristics of the product itself.
When the product is to be marketed in the shortest possible time, it is possible to predict a product validity period with accelerated stability tests, where the product is exposed to extreme conditions, depending on the geographic area where the product is intended to be sold and the product characteristics itself (e.g. for a foreseen shelf-life of 2 years, the examination is carried out for 3 months).