"Cleopatra's eye makeup" French researchers argued the ancient Egyptians used cosmetics Cleopatra’s Eye Makeup kohl National Geographic News high toxicity A deadly concoction of duck fat and malachite lead compounds the ancient Egyptians used cosmetics French researchers argued Cleopatra's Eye Makeup Warded Off Infections? Cleopatra’s Eye Makeup Warded Off Infections? disputed Cleopatra's Eye Makeup Warded Off Infections? New research Per National Geographic Daily News Cleopatra's Eye Makeup Warded Off Infections? New research New research Cleopatra’s Eye Makeup New research A deadly concoction of duck fat and malachite