I have used TeaQua. My wife sanded down all the teak last January and said "never again". So we applied Teaqua. We were very happy with the result but understand it may not appeal to the
varnish purest who would prefer more luster. I took pictures of the cockpit floor boards shortly after the TeaQua was applied. I can PM them to you if you like. They have been sitting out in the Georgian sun since mid April but I will not be going back to the boat for a couple of more months. So I cannot give you an update at this time. Unlike oil which as Cam mentioned ends up looking dirty, the TeaQua finished floor boards did not look dirty at all after 4 months of continuos use. I'll have to wait until I'm back at the boat to give my full endorsment, but we like what we have seen so far.