right, tried this today, don't waste your money, useless. Didn't bring any muck off, no nice smell (I know it's just a cleaner), you could just about tell they had been cleaned, little bit more matt looking. All it did was soap up very much like soapy water.
I usually clean mine with soap flakes about twice a year and if anything these leave a better finish, then later I use my leather care, Megs or AG.
Seriously don't buy this stuff.
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MR200 Stage 3 200PS
Evans Halshaw
Mountune Pro