松烟墨深重而不姿媚，油烟墨姿媚而不深重Pine smoke ink 

In ancient times, the ashes of pinewood was often used as the raw material for making ink, so it was called pine smoke ink. Pine smoke ink is characterized by its dark black color and is easy to dissolve in water. It is suitable for painting eyebrows, feathers, and wings of butterflies.古代制墨，多用松木烧出烟灰作原料，故名松烟墨。松烟墨特点是浓黑无光，入水易化。宜画人物须眉、翎毛和蝶翅等