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Cang Er Zi (Chao), also known as xanthium [fruit](processed) disperses wind-cold, relieves nasal obstruction and alleviates pain.
Concentrated powders of natural herbal products tend to absorb moisture from the air. Hence, it is necessary for the manufacturer to add a suitable amount of excipient to stabilize the concentrated herbal products. Non-GMO starch which contains maltodextrin, are used as excipients.