Aromatic Herbs that Transform Dampness

Besides transforming phlegm, what is another action of Hou Po (magnoliae officinalis cortex)?

Hou Po transforms dampness and directs qi downward. This includes Lung qi.

Source: Bensky, D. (2004). Chinese Herbal Medicine: Materia Medica. Seattle, WA: Eastland Press. pp. 471 [Q860]