With so many wonderful and effective products available from Peter Thomas Roth, it might not be obvious which ones should be used together. To make things easier, turn to Peter Thomas Roth Sets and Kits for expertly assembled regimens, duos and other combinations. Carefully selected groupings ensure that all included products are intended to be used together, complement one another and avoid negative interactions. Peter Thomas Roth Sets and Kits offer comprehensive regimens geared towards a specific issue. This allows you to treat your skin thoroughly with several different steps in order to see the best results.