was it necessary to refer to "modern" sunscreens for example.Having followed the analytical processes employed during the investigation, I was able to be quite specific on this subject as the phenomenon observed was actually attributable to "modern" sunscreen formulation. The wonderful world of nanotechnology has provided some extremely effective nano sized TiO2 and/or ZnO particles which significantly improve the SPF ratings of the sunscreen formulation.
展开▼
