Curieux concentrate is a French range of flavour concentrate created by La Petite Manufacture for DIY e-liquid, in the fruit and fresh families: the Astrale Licorne version combines strawberry, dragon fruit and a freshness effect. It is diluted at 20% in a 50/50 base, then left to steep for 3 to 7 days. Made in France. Bottle size: 30 ml. Recommended dilution: 20%.