Is anyone using LAST?

Well, I am not using it now, but used the cleaner and preservative on all my LPs back in the 80's/90's. And everyone of them that I used it on, even those that had not been played in 12 years or more, have been fine (still quiet and sound fine). In other words, no problems for me.

I've never had a problem with LAST record preservative messing up an LP, and I used to use it regularly with probably 2000 LPs treated over the years.

However, since upgrading my turntable/tonearm combination and switching to Disc Doctor and now Walker Audio Prelude cleaning solution, I've stopped using it. After cleaning with Prelude, if I add LAST I now hear a slight sonic signature from the LAST that is not objectionable, but that I'd just as soon not have. Still, I've never experienced LAST preservative "messing up" an LP.
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I've been using it for a few months without any problems. Though this hardly constitutes scientific evidence in favor of LAST, Fremer has a note at the end of his September column, indicating that he's heard from a number of people reporting no ill effects. As I recall, the initial complainant said his LAST-treated records sounded fine on his system but seemed lifeless when he played them on a friend's system that was more highly resolving -- interesting, but would this necessarily indicate that the LAST must be the problem? Seemed to me that he was jumping to conclusions.