Abstract
Based on the developed mathematical model of skin with the addition of titanium dioxide (TiO2) nanoparticles 62 and 122 nm in diameter, the absorbed energy density distribution in the skin depth is obtained for the skin irradiated by UV radiation at wavelengths of 310 and 400 nm. It is found that high reflective and scattering properties of the corneal layer of the skin treated by photoprotective preparations based on nanoparticles prevent the penetration of the UV radiation into inner skin layers. It is shown that the majority of the radiation energy is captured or reflected in a thin surface skin layer containing nanoparticles. A decrease in the thermal load on the tissue is observed.
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