I just wanted to second what Robin said, there are different forms fo Cyclo out there. I used to use TDF's cyclo, but am switching to a different(more expencive :rolleyes2) companys because the feel is better. NOT saying TDF's is bad though. Anycase, I haven't really found any FO's that dont blend, but I have found a few that discolor the liquid and/or bottle. So from now on, I am doing my testing in clear and selling in the aluminum (sp?) One that comes to mind is bay rum. OH, SC vanillia ate the bottle, so I dont do that one...