Liquids and vape oils posted to Guernsey have been seized and found to contain Class A and B drugs.
Guernsey Border Agency has seized several examples through the postal system, found to contain synthetic cannabinoids or cannabis derivatives.
Analysis has found many to be Class A or B controlled drugs.
Some have even been labelled on websites as CBD or as containing 'no controlled substances'.
Bailiwick Law Enforcement is warning that importers are responsible for knowing what they are bringing into the island and risk arrest and prosecution if its found to contain a banned substance.
"In order to prevent action being taken against you, please ensure you are fully aware of what you are ordering, checking with the supplier if there is any ambiguity. If you are in any doubt at all, do not place the order."

Work on Guernsey's Victor Hugo Centre may begin by Easter '27
Channel Islands mobile portability issues to be resolved soon
Channel Islanders in the Middle East told to follow local warnings
Freehold of Guernsey's Premier Inn for sale
Unprecedented demand for cesspit emptying in Guernsey
Food will not be exempt from GST in Guernsey
Victor Hugo Centre fund reaches £7.5M
"We want our schools to be smartphone-free environments"