”Following the makeup trend of her day, Rahab, the legendary Canaanite prostitute, probably adopted the dramatic Egyptian style of outlining her eyes,” writes Weisberger. “The eye makeup, known today by the Arabic name of kohl, was a pasty black substance similar to modern mascara. For the Israelites, the image of the heavily painted kohl eye was so powerful that it was denounced in the Bible as a symbol of immorality and ungodliness (Jeremiah 4:30).”