Hair Colorants: Chemistry and Toxicology (Cosmetic Science Monographs No. 2)

This work discusses the chemicals, both natural and synthetic, used to produce change in natural hair colour. Chapters are devoted to permanent, semipermanent and temporary hair colourants and to progressive or metallic hair colourants. The toxicology of these materials is discussed in a final paragraph. Hair colours are complex chemicals and have to be understood to be formulated properly and safely. This book explains the chemistry of these materials and enable chemists working on colour shanpoos and hair dyes to choose the correct colourant for the effect which is required.