An ex vivo study of the effects of co-surfactants and conditioning additives on hair colour protection January 2014 in “ University of the Arts London Research Online (University of the Arts London) ” Gabriela Daniels, Slobodanka Tamburić We don't know much about this study yet. We're maintaining the world's largest resposity of hair loss research. You can help out the community by sending a PDF of this study here . Not sure how to get a study's PDF? You can email the authors of the study. View this study on ualresearchonline.arts.ac.uk →