Guest: Researchers from Cape Peninsula University of Technology (CPUT) are using phytosome nanotechnology – an emerging field – to enhance the bioavailability of Rooibos extracts in skin formulations.   Dr Mariska Lilly joins is The Senior Researcher of Proteomics & Molecular Biology at the Applied Microbial and Health Biotechnology Institute (AMHBI) of CPUT and she joins John to explain.