Since its not been that long since I started my small collection, I think right now, the most used juice is from years ago when I didn't collect colognes, and that is Kenneth Cole Reaction, and I probably only used like maybe 15~20ml of.
Probably Halston 1-12 - that was the first bottle of fragrance I ever owned.
Definitely went through several bottles of Polo and Eternity throughout the 80's and 90's as well.
And here's an odd one: Dunhill Desire (the red in the red "flask" style bottle)
I dated a girl for several years who was absolutely nuts for that fragrance - I owned a bunch of stuff but she always insisted I wore that one, and a LOT of it.
Between me wearing it an