Vape or Diy concentrate is a French range of flavour concentrate created by Revolute (Laboratoire Cosmer) for DIY e-liquid, in the gourmand and fruit families: custard with cereals, biscuit with lemon and meringue, biscuit and raspberry, custard with vanilla and hazelnut. Steeping runs from 7 to 20 days in a 50/50 base. Made in France. Bottle size: 10 ml and 30 ml. Recommended dilution: 10% to 15%.