These media reports mentioned that some unscrupulous merchants purchase cheap Colla Corii Asini through the Internet, make the Colla Corii Asini cake under the brand of "Gui Jiao Tang", and then sell it through Taobao stores, WeChat, and other channels in order to obtain high profits. These reports also pointed out that the "Guijiaotang" Colla Corii Asini cake does not contain donkey skin, but is made of other animal leather or artificial leather, the quality is poor, seriously harming the health rights of consumers.
Therefore, it is recommended that when purchasing Colla Corii Asini, you should choose a formal brand and channel, pay attention to the manufacturer, brand, production date, shelf life and other information to avoid purchasing counterfeit and shoddy products.