NanoTiO₂ Sunscreen Does Not Prevent Systemic Oxidative Stress Caused by UV Radiation and a Minor Amount of NanoTiO₂ is Absorbed in Humans.

With respect to the EBC, the number of positive samples in study C was lower, and the peak elevation of three markers of the oxidation of lipids was postponed to sample 3, i.e., it was seen later, and although there was an increasing trend, significance was not seen in 8-iso, o-Tyr, 3-ClTyr, 3-NOTyr, and LTC4.

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With respect to the remaining markers, the difference was not significant, however a positive trend could still be observed.

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