Insights
Sourcing know-how, material deep-dives and formulation notes from the Berstin specialist desk.
How SLES, SLS and cocamidopropyl betaine differ on mildness, foam and cost — and how formulators pair a primary and a secondary surfactant in real products.
What alkyl polyglucosides are, why they read as natural and biodegradable, and how decyl, lauryl and coco glucoside differ for formulators and buyers.
How citric acid grades and forms differ across food, pharma and cleaning—and how to specify anhydrous vs monohydrate and FCC vs technical when you order.
Technical, food-grade E422 and USP/EP pharmaceutical glycerine share one molecule but differ in purity, impurity limits and paperwork — here is how to pick and specify the right tier.
A function-first guide to tablet excipients — fillers, binders, disintegrants and lubricants — and how to specify the right compendial grade and documentation.
A procurement-focused guide to REACH: registration roles, supplier due diligence and how an independent EU distributor supports compliant sourcing.
How benzalkonium chloride and DDAC differ as quat disinfectant actives — hard-water tolerance, foaming, anionic compatibility, grades and regulation.
The three families of thickeners — natural gums, cellulose ethers and carbomers — and how formulators pick one for clarity, electrolyte tolerance and suspension.
A sourcing-led guide to the four surfactant families — anionic, nonionic, amphoteric and cationic — and how head-group charge governs detergency, foam, mildness and compatibility.