History of Haircoloring Essay

History of Haircoloring Essay The first major break through in hair coloring history came in 1863, when chemist Dr August Wilhelm Von Hofmann reported the dye properties of paraphenylenediamine His discovery led to the birth of the synthetic hair dye industry, and PPD still Dominates the field today Hofmann was also known for his studies of organic derivatives of ammonia and for discovering the first unsaturated alcohol and several organic dyes On the heels of Hofmann’s discovery, in 1867 London chemist E H Thullay and Parisian... more