The World of Hair Colour is a scientific companion for hair colour, turning this complex science into fascinating journey through the colouring process. This book enables hairdressers to understand the physical and chemical processes which occur in hair colouring and the care of hair due to these chemical changes. Written in an easy to read, accessible style, The World of Hair Colour, provides professionals with a helpful reference guide for use in salons and is also ideal for hairdressing students.