Fairhurst D. – TechConnect Briefs

Physicochemical Characterization of Nanosize Zinc Oxide and Titanium Dioxide used as UVR Sunscreen Agents in Cosmetic Formulations

Morfesis A., Fairhurst D., Malvern Instruments, Inc., US

The physical (particulate) sunscreen agents, ZnO and TiO2, are increasingly used to provide UV protection in a wide variety of cosmetic and personal care products. The particle size distribution (PSD) of the ZnO and TiO2 [...]

Acorn™, a New, Simple, Inexpensive Method for Non-Invasive Particle Size Measurement of Suspensions and Droplets

Dhadwal H.S., Mukherjee B., Fairhurst D., Race S.W., Dynamic Cosmetics Inc., US

Nanoscale particle sizing of colloidal suspensions can be performed with Acorn,™ a new, patented handheld device, that combines remote delivery and detection of laser light, and a direct measurement of particle size, without the use [...]