No... I've not used Leatherique. From what I've read, it's more of a restoration product for older leather, so I've not come across anything I'd need it for. I have tried Zaino's Z-10 and I beleive Tanner's lasts longer than that. The Z-10 lasted about a month for me before I had to reapply. Z-10 has a more matte look and a much better "leather" smell to it that'll last a couple of days.
V...