I get what youre saying, but thinking the dear stuff is better just because of price is silly. Ive tried them all including the dearest around. Ive never had a tyre go brown in 10 years with export??
As is the case with all tyre shines, if you wipe them directly after applying you dont get any flick up.
P.s. tyres are just rubber.. its not hard to moisturise them.. its not worth buying autoglym for a simple task.. its not your paintwork.