How to establish a minimum number of participants in a proficiency test round? To establish the minimum number of participants in a proficiency test exercise, there are several considerations to consider according to international standards …
Preservative Efficacy: Everything You Need to Know – Challenge Test What are preservatives? Why should they be added to the formulation? What do they contribute to a product? Summed up in one sentence, it would …
Cosmetic claims are crucial in defining a cosmetic product and informing about its qualities, effects and characteristics. Claims are defined as every information that can be found on cosmetic labels as well as on every …
HOMOGENEITY of ring trial test items The homogeneity of a proficiency testing (PT) item, also known as a ring trial test item, is crucial to ensure that the proficiency test results are reliable and comparable …
The recent publication of Regulation (EU) 2023/1545 on the labelling of fragrance allergens in cosmetics has raised many questions in the sector. In this article we want to clarify some issues that could cause confusion, …
Quality is paramount in our Proficiency Testing Program. We strive to uphold the highest standards in every aspect of Intercomparison quality. Get ready to showcase your excellence and contribute to the quality that defines us! …
On 22 February 2024, the EU Cosmetics Industry Working Group, specifically the sub-group on Borderline Products, released the updated version of the Borderline Products Manual (version 5.3), which is essential for classifying cosmetic products. INTRODUCTION: …
Chemical disinfectants and antiseptics should be subjected to efficacy test from their intended area of application. In our 2024 agenda we have published a summary table from EN 14885 Category of test (procedures for claiming …
In the recent days, the number of cosmetic products available for children has constantly increased. Infants are more sensitive than children over 3 years and adults to certain toxic effects of substances. In addition, their …
We have been developing proficiency testing exercises in the field of efficacy testing of antiseptic products and chemical disinfectants since 2021. Program of proficiency tests performed Method ID EN 1500:2013 PT-1500-2-0921 EN 1656:2019 & EN …
