There are several lists of prohibited or regulated goods.
International regulations
The transport of dangerous goods (or TDG) relies on various international regulations (1) such as ADR (2) (Agreement for the Transport of Dangerous Goods by Road) for road transport, ICAO (3) ( International Civil Aviation Organization) or IATA (4) (International Air Transport Association) for air transport.
Restrictions specific to carriers
Beyond international regulations, carriers also have their own restrictions. These lists of prohibited goods are to be consulted within their GSC.
Consult the Terms and Conditions of our DHL carrier.
Country specific rules
Finally, be aware that there may be specificities related to the regulation of certain countries, in which case, you must inquire with the customs of your country of origin and destination.