Guides and updates on EU cosmetic & chemical compliance from the Lexora regulatory team.
Preservative Efficacy Testing, commonly called the Challenge Test, is a critical quality and safety requirement for cosmetic products that contain water. Water-based formulations face a constant risk of microbial contamination during storage and consumer…
Microbiological testing is a fundamental part of cosmetic safety and quality control. Cosmetic products, especially those that contain water, can…
Stability testing is a mandatory step in the development and safety assessment of cosmetic products. It evaluates how a product…
The Challenge Test, also known as the Preservative Efficacy Test, is a mandatory requirement for most cosmetic products placed on…
The Preservative Efficacy (Challenge) Test plays a critical role in verifying the effectiveness of a cosmetic product’s preservative system. Its…
