Chemistry Job Insight

Types of HPLC Explained: Which HPLC System Is Best for Pharmaceutical, Cosmetic, Food, and Research Analysis?High-performance liquid chromatography (HPLC) is one of the most widely used analytical techniques in pharmaceutical, cosmetic, biotechnology, food, environmental, and research laboratories. From assay testing and impurity profiling to protein purification and cosmetic ac...

How Surfactants Become Thick: The Science of Salt and Cosmetic Thickeners In shampoos, body washes, facial cleansers, and liquid soaps, viscosity is one of the most important properties affecting consumer experience. A product that is too thin feels cheap, while a properly thickened system feels rich, stable, and premium. One of the most fascinating phenomena in

Pharmaceutical Laboratory Requirements According to International Guidelines A Complete Guide for QC, QA, Microbiology, and Analytical Laboratories Pharmaceutical laboratories play a critical role in ensuring medicines are safe, effective, pure, and compliant with regulatory standards. Regulatory agencies worldwide require laboratories to maintain strict systems for quality, doc...

How to Perform Preservative Efficacy Test (PET) for Creams and Serums A Practical Guide According to International Standard Guidelines Preservative Efficacy Testing (PET), also called a Challenge Test, is one of the most important microbiological quality tests for cosmetic and pharmaceutical products. It determines whether the preservative system in a cream or serum can effectiv...

Determination of Total Fatty Matter (TFM) in Creams: A Practical Chemist’s Guide In cosmetic and pharmaceutical creams, the fatty matter phase plays a major role in texture, stability, moisturization, spreadability, and skin feel. Determining the Total Fatty Matter (TFM) is an important quality control test used in creams, lotions, emulsions, and semisolid formulations. This art...