Your Cosmetic Chemist

The EU Silicone Ban: What It Means for Formulators Starting June 6, 2027 , the European Union will enforce new restrictions under the REACH (Registration, Evaluation, Authorisation, and Restriction of Chemicals)  regulation, targeting specific cyclic silicones used in cosmetics. What’s Changing? The updated regulation limits the use of the following silicones to a maximum concentration of 0.1%  in both rinse-off and leave-on  cosmetic products sold within the EU: Octamethylcyclotetrasiloxane...

When you start formulating cosmetics, one of the most important concepts you’ll come across is the Safety Usage Rate (SUR) . At first, it may sound like just another technical term, but understanding it is critical to creating safe, effective, and compliant products. Let’s break down what safety usage rates are, why they matter, and how they protect both you and the people using your products. What Are Safety Usage Rates? A Safety Usage Rate is the maximum percentage of an ingredient that...

The Truth About Skin Absorption: Do Cosmetics Really Enter the Bloodstream? If you’ve spent any time online, you’ve probably seen claims...