08: WHITER TEETH WITHOUT DAMAGE? Not All Whitening Toothpastes Are Equal

Is your whitening toothpaste actually brightening your smile—or quietly wearing down your enamel?In this episode of Dental Formulator’s Playbook, Dr. Rob and Tami break down the science behind peroxide-based whitening toothpastes, diving into how hydrogen peroxide actually works to lift stains from teeth. Using popular products like Colgate Optic White Pro Series as examples, they explain the chemistry of stain removal, the role of pH, and how abrasiveness (measured by RDA) affects both whitening power and sensitivity. The conversation also explores the latest research on peroxide penetration, revealing why formulation is key to safety and results — and why not all whitening toothpastes are created equal.🔥 Highlights ↠ How hydrogen peroxide lifts stains and brightens teeth↠ The science of stain formation and how toothpaste ingredients address it↠ Why pH levels matter for whitening efficacy and enamel safety↠ Understanding RDA (Relative Dentin Abrasivity) — and its role in whitening↠ The balance between effective whitening and avoiding tooth sensitivity↠ Breakdown of key ingredients in products like Colgate Optic White Pro Series↠ Recent research on peroxide penetration and how deeply whitening agents can go↠ Why formulation factors (abrasives, humectants, stabilizers) determine performance↠ Safety considerations when using peroxide-based toothpastes daily↠ What consumers should look for when choosing a whitening toothpasteConnect with Dr. Rob (Robert L. Karlinsey, PhD)Link and Resources: 🌐 Website: customdentalformulations.com/meet-dr-karlinsey 📄 Research Profile: ResearchGate – Robert KarlinseySubscribe to our newsletter:https://tamaras-newsletter-88aea5.beehiiv.com/