Rubber rejuvenator for Pinch Rollers

One of the members (damiza20) here was asking what I use as a rubber rejuvenator for the pinch rollers on my Otari. So I've posted a couple of pictures of what I use. I buy the stuff from a

Max Professional 2145 Rubber Rejuvenator - 10 oz.,Black and Silver : Office Products

Pinch roller replacement on Daewoo VHS - VideoHelp Forum

I was told that this is rubber softener/rejuvenator. But it doesnt clearly says that it softens rubber. Is this good for making rubber softer on pinch roller? Any advice is good. Thanks

INX 6888 RubberKleen RRC6888 Rubber Roller Cleaner and Rejuvinator 8 O – Crawford Tool

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Use only the special Cleaner of this Kit. SERVICE KIT FOR REEL TO REEL. AND ALL CASSETTE TAPE DECKS. 20ML SPECIAL HEAD CLEANER.

SERVICE KIT HEAD & PINCH ROLLER RUBBER CLEANER REEL TO REEL & CASSETTE TAPE DECK

Max Professional 2145 Rubber Rejuvenator - 10 oz.,Black and Silver : Office Products

new pinch roller tyres to suit a wide and Tascam open reel tape machines - AliExpress

Little insight into cleaning solutions for cassette/R2R : r/cassetteculture