The shared blog explains every aspect that required for e-cigarettes license in Dubai and the UAE.

The sale and use of e-cigarette are legal in the UAE, but there are certain restrictions in place. For example, e-cigarettes cannot be sold to minors, and they cannot be used in public places such as schools, hospitals, and government buildings.
To sell e-cigarettes in Dubai, you will need to obtain a trade license from the Dubai Department of Economic Development (DED). You will also need to obtain approval from the Emirates Standardization and Metrology Authority (ESMA). The ESMA will require you to submit a product analysis report and a lab report for your e-cigarettes.