Mineral-based sunscreens, particularly those with zinc oxide (ZnO), are popular for their ability to scatter UV rays without causing photo-induced skin irritation, unlike chemical-based sunscreens. Zinc oxide outperforms titanium dioxide, and its effectiveness depends on particle size. Nanometer-sized ZnO offers higher SPF compared to micrometer-sized particles. The Partica LA-960V2 Laser Diffraction Particle Size Analyzer is effective in characterizing ZnO particles and other ingredients in sunscreen formulations.
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Please click on ‘Request Application Note’ and download the appication note ‘Particle Size Determination of Mineral-Based Sunscreens: A Complex Analytical Appplication’.