That browning is “blooming,” where anti-ozone compounds in the rubber rise to the surface and oxidize. A good cleaning with Black Magic Bleche-Wite Tire Cleaner, followed by Black Magic Tire Wet, restores the deep black look while reducing future blooming.
Why do tires turn brown over time? Print
Modified on: Wed, 30 Sep, 2026 at 10:08 AM
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