Try Concept Vista. Its about £13, but a bottle lasts an age. It revives trim beautifully, and doesnt wash off or go streaky like silicone based trim blackers. Apply twice a year using an olde washing up spinge and youre sorted. It'll take years off the appearance.
Turned up yesterday. You need very little. Allowed to dry, and it rained overnight, but no streaks. Not glossy like some others, more of a satin. Would work well on the van bumpers.
I've just ordered some - ta


All my bulbs have arrived today so might have time for some van fettling over the weekend 😊
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