Safety Assessment by Multiphoton Fluorescence/Second Harmonic Generation/Hyper-Rayleigh Scattering Tomography of ZnO Nanoparticles Used in Cosmetic Products
Skin Pharmacology and Physiology, 05/31/2012
Darvin ME et al. – Taking advantage of this sensitivity, it was clearly shown that Zinc oxide nanoparticles (ZnO NPs) penetrate only into the outermost layers of stratum corneum, furrows and into the orifices of the hair follicles and do not reach the viable epidermis.



