If "harsh" is a word you'd use to describe a favorite e-liquid, try Wisconsin Frost.
Ares Menthol Tobacco is a sweet, butterscotch-flavored e-liquid that doesn't work for me.
A small bottle of concentrated menthol to add a chilly burst to any e-liquid. Does it deliver?
Tundra was unable to deliver the intense menthol taste that I was hoping for.
Fans of Nat Sherman's old Hint of Mint cigarette are likely to enjoy Arctic Menthol.
With pineapple, coconut, menthol and just a bit of sweetness, Halo's Malibu Menthol e-liquid is a welcome companion for a Summer evening.
Tiki Juice's combination of tobacco, menthol and a bit of tropical fruit sounds like a good one, but it didn't work for me.
Volcano Menthol Burst is the highest-menthol e-liquid that I have ever tried, and I am very pleased with it.