PRX Derm Perfexion (formerly PRX-T33) is a topical liquid that, when applied with a specific technique involving topical massage from your skincare professional in their treatment room and followed by a unique at-home skincare protocol, provides immediate aesthetic improvement and deep hydration. PRX formula has been tested over the years and is covered by an international patent. This product is unique because it combines the effects of hydrogen peroxide, 33% TCA and kojic acid providing a skin transformation like nothing you have experienced before.