Most flavor concentrates are imported by local flavor houses. The flavors for ecigs are carefully regulated as prescribed by the FDA as to what aromatic chemicals can be used and which ones are harmful. The aromatics that are potentially harmful should be excluded from the final flavor formula...
A lot of research is being done in the USA and Europe into flavours for ecigs. Flavours consist of virtually hundreds of aroma chemicals and a lot of guess work is being done as to the possible side effects these chemicals can have when inhaled. Certain aromas have now been identified as being...