No. If you're making whisky, rum or vodka, etc. you will not need to add sugar to the product. However, if you're making a regular liqueur, you will need to add sugar (not the same quantity for each liqueur). Of course, if you're making a cream liqueur, then you'll also have to add cream to make the liqueur.
All bottles of essences have mixing directions on the label. In addition, we will soon be making available our online "Mixing Wizard" to guide you through the mixing process.