TFA flavour concentrates are Naturally and Artificially Flavoured. Made in the USA by The Perfumers Apprentice& Rebottled by Vapour Depot in the UK. Available Sizes: 10ml, 30ml, 100ml Recommended Mix (Single Flavour): 7% Recommended Mix (Multiple Flavour Recipe): 5% Requires mixing with Vegetable Glycerin & Propylene Glycol before can be vaped. TFA Cotton Candy Concentrated Flavouring A large range of flavours for use in various applications such as: Baking, Candy-Making, Carbonated water (soda flavours), and many other applications that have fun with flavours!. This is made from ethyl maltol, diluted to 10% in PG.