Formulated Vape Co is a Vapour Depot brand. The idea was to take some of our most popular classic house juice flavours and reformulate them into something new & unique, whilst maintaining the flavour profiles which made them popular. Flavour Profile: Toffee, Cake, Custard Recommended Mix Percentage: 20% Recommended Steep Time: 14 Days Requires mixing with Vegetable Glycerin & Propylene Glycol before can be vaped. The Formulated Vape Co Sticky Toffee Pudding Concentrate - Easily our teams favourite sin, a luxurious sticky toffee pudding, with extra toffee and beautifully creamy vanilla custard, the nice expensive custard of course. If you love dessert flavour E Liquids then you have to try out the brand new Formulated Vape Co Sticky Toffee Pudding.