Auchentoshan American Oak borrows on trends from the past and future. From the past, Auchentoshan boasts about being a triple-distilled. Folklore will tell you that only Irish whiskey and vodka are triple distilled (neither is true). Generally speaking, the third distillation is likely to remove heavier molecules from the spirit. Some of these heavier molecules are unpleasant, some would naturally oxidized down during barrel maturation, others are flavors that scotch drinkers might enjoy.