Do you think GC Trim Detailer can restore this rubber defect.

Or do you think I can use petrol to clean it? Or maybe diesel? I thinking of trying some combination to see. But I would like to ask you guys advise coz I don't know what could work with rubber? Thank you kindly.
Or do you think I can use petrol to clean it? Or maybe diesel? I thinking of trying some combination to see. But I would like to ask you guys advise coz I don't know what could work with rubber? Thank you kindly.

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