10ml Ethyl Vanillin (EV) in USP 99.8%+ Propylene Glycol | flavor enhancer
This product is Ethyl Vanillin Crystals in USP 99.8+% Propylene Glycol (PG) Solution
Ethyl Vanillin Crystals is a very wonderful broad-spectrum flavoring agent, sweetener and add a hint of vanilla to e-liquid, widely used in all kinds of drinks, wine, food, cakes, biscuits, canned cream candy, medicine, and liquids.
Around .5%, 1% usage is the norm, the maximum will be around 2.5%-5%. Never go > 5% since taste will be muted, less is more using EV
Recommended 1-2 drops per 5ml e-liquid
If crystallization occurs the solution can be gently warmed-up and shaken to allow it to dissolve again in the PG.