"I think the problem is that unless you use an essence like this in baking and the alcohol has the opportunity to evaporate" 
 "I found this concentrate had rather a bitter flavour for me" 
 "This is the most unpleasant rose water I've ever tasted- I assume it's the the propylene glycol in it which makes it intolerably bitter" 
 "Do not buy this! Ocado PLEASE offer an alternative!"