Interesting observation. Well, for me, anyway.
I had some juices at 0.4% menthol. For my taste preference, that's pretty strong damn menthol right there. On a whim, I decided to use my other menthol "base" which is 0.5% menthol + 0.5% koolada. MUCH more mellow.
So the menthol went up, but...
Ok so being really new into the whole DIY thing I have started trying to record notes regarding each flavoring and tonight I came across this website http://shop.perfumersapprentice.com/componentlist.aspx?sku_search=15621.
For most other flavours it shows the ingredients, there CAS number, %...
I see Valley Vapour now has FA Polar Blast in stock.
Will be interesting to hear your impressions once this gets used. This is what HIC says, responding to a question whether TFA Koolada and FA Polar Blast are interchangeable:
I think most people would consider them interchangeable. Polar...