It is related to the more common flavoraning maltol by replacement of the methyl group by an ethyl group. Commonly used in eLiquids formulations to sweeten the overall taste of the eLiquid or give a ‘Cotton Candy’ type sweetness and/or mouthfeel. It is recommended to use our Ethyl Maltol solution between 0.5% - 2% of the final eLiquid formula. Vapour Depot Ethyl Maltol Contains: 90% PG 10% Ethyl Maltol Comes in a 10ml PET bottle. Please note, crystals may form if the liquid is cold. This is normal and the crystals will dissolve with a gentle heating and a good shake. Vapour Depot Ethyl Maltol PG 10% eLiquid additive. Ethyl Maltol is an organic compound that is a common flavouring in some confectioneries.