Microfine Zinc Oxide is a Superior Sunscreen Ingredient to Microfine Titanium Dioxide

@article{Pinnell2000MicrofineZO,
  title={Microfine Zinc Oxide is a Superior Sunscreen Ingredient to Microfine Titanium Dioxide},
  author={S. Pinnell and D. Fairhurst and R. Gillies and M. Mitchnick and N. Kollias},
  journal={Dermatologic Surgery},
  year={2000},
  volume={26},
  pages={309–314}
}
Background. Microfine zinc oxide and microfine titanium dioxide are particulate sunscreen ingredients that absorb broad‐spectrum ultraviolet (UV) irradiation. Objective. We compare microfine zinc oxide and microfine titanium dioxide for their abilities to attenuate UVA radiation and their relative whiteness in cosmetic formulations. Methods. UVA attenuation was measured by diffuse reflectance spectroscopy on normal human skin in vivo. Whiteness was determined by reflectance density of dried… Expand
119 Citations
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