Haircolouring 101: Grey Hair

This book provides a scientific approach to coloring greyhair, starting with an overview of the biology and structure ofgrey and white hair, color theory, and the chemical processesinvolved in hair coloring. It then introduces a new theoreticalapproach and discusses its methodological implicationsfor using hair color on grey and white hair, followed byspecific methods for formulating hair color to achieve desiredresults. The book aims to empower readers, particularlycosmetologists and DIY enthusiasts, to confidently andsuccessfully formulate hair color for grey and white hair