Herbal Information For Qing Dai Powder 

Common Name: Indigo
Botanical Name: Indigofera tinctoria   (青黛粉)
Chinese / Pin Yin Name: Qing Dai, Qing Dai Fen

Dosage: Consult your healthcare provider for your correct dose.  
Herb Form:  Powder, Conventional
Brand:  Nuherbs Conventional Powders
Origin:  China
Cautions: Do not use if pregnant or nursing.  For external use only.
CALIFORNIA PROP 65 
Color:  This is an indigo color blue powder.   It is not green.

This is a conventional herb.  There is not a Certificate of Analysis available for this herb.
Additional Information About Qing Dai

• Indigo is a traditional Chinese medicinal herb to clear heat
• Remove toxicity
• Cool the blood
• Clear liver-fire
• Used Topically to benefit the skin
• May be mixed with other herbs for a synergistic effects

Herb Properties:  Salty, Cold

Herb Channels/Meridians: Liver, Lung, Stomach

Naturally Occurring Components:  indigo, indigotin

Herbs That Combine With Qing Dai

HUANG LIAN     BAN LAN GEN     XING REN     ZHI ZI   

References
HTTP://ALTERNATIVEHEALING.ORG/INDIGO.HTM, HTTPS://TCMWIKI.COM/WIKI/QING-DAI

https://www.healthcmi.com/Acupuncture-Blog/815-qingdaiceu

http://safflower.com.au/qing-dai-san-topical-application-to-suit-many-commonly-encountered-skin-conditions/