Cosmetics Preservative Efficacy Challenge Testing

Protective Efficacy Tests, also known as Challenge Tests, are used to determine the necessary conditions for minimizing the risk of microbiological growth under normal storage and usage conditions during the expected shelf life of cosmetic products. With Protective Efficacy Tests;

• To protect the quality and safety of the product,
• Microbiological contamination can be detected during normal consumer use.

The Challenge Test, which aims to reduce the risks that may occur in order to ensure the safety of consumers, is to show the effectiveness of the cosmetic product throughout its shelf and usage life. Protective Efficacy Test (Challenge Test) Forced resistance for 28 days at 32.5°C. At the end of this process, information can be obtained about the shelf life and the suitability of the shelf life. During the test, microorganisms are included in the formulation in a controlled manner and analysis is carried out at regular intervals.

In order for the tested product to be considered suitable, the microorganism level must provide antimicrobial protection within the allowed limits. You can contact Nanolab Cosmetic Analysis Laboratory for the Preservative Efficacy Test (Challenge Test).