Ancient Egyptians first used plants like henna and indigo to hide gray hairs over 3000 years ago. In 1863, English chemist William Henry Perkin accidentally discovered synthesized dye while attempting ...
Two folds from an Astrolin Color Card pamphlet by Établissement Georget Fils Peintures Laquées et Vernis, Chantenay-Lès-Nantes (c. 1906), 6 3/10 x 3 3/4 inches (image courtesy Bibliothèque Forney, ...