Text this: Natural dyeing of wool and hair with indigo carmine (C.I. Natural Blue 2), a renewable resource based blue dye

 _    _     _____    __   _    _    _    ______   
| || | ||  |  ___|| | || | || | || | || |      \\ 
| || | ||  | ||__   | '--' || | || | || |  --  // 
| \\_/ ||  | ||__   | .--. || | \\_/ || |  --  \\ 
 \____//   |_____|| |_|| |_||  \____//  |______// 
  `---`    `-----`  `-`  `-`    `---`   `------`