First-century Romans preferred dark hair, which was made so by a dye concocted from boiled walnuts and leeks. Today, hair color remains hot, with a booming 75 percent of American women reportedly coloring their hair. (In 1950, only about 7 percent of American women colored their hair. And...
The washing composition used in this example is prepared by mixing borax: 25 wt %, sodium hydrogen carbonate: 25 wt %, sodium sulfate: 50 wt %, pancreatin: 0.1 wt %, Protin AC: 0.15 wt %, lipase: 0.5 wt %, Sylysia: 0.15 wt %, perfume: 0.2 wt %, and dye: 0.12 wt % using ...