According to WHO, the sale of Naturcold Syrup in Cameroon was first reported on March 13, 2023, and WHO received samples of the syrup on June 27, 2023. After analysis, WHO found that the product has inadequate levels of diethylene glycol as pollutants.
Diethylene glycol is a clear liquid that is colourless, and odourless. It is used as a less expensive substitute for glycerin in cough syrups.