My tires are only 10 months old, and I notice the sidewalls are aren’t jet black like they were when new. I only noticed this recently when I started using a “wet” tire dressing. Is there a correlation? I know all tires will eventually get some brown color due to UV exposure, but could the tire dressing possibly be accelerating the browning effect? It just seems more than I expect for 10 month old tires.
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My tires are only 10 months old, and I notice the sidewalls are aren’t jet black like they were when new. I only noticed this recently when I started using a “wet” tire dressing. Is there a correlation? I know all tires will eventually get some brown color due to UV exposure, but could the tire dressing possibly be accelerating the browning effect? It just seems more than I expect for 10 month old tires.
Using a narrow nozzle (15º) from the pressure washer at close range can help speed this along, but tread carefully around the lips of the wheels.
I use Gyeon Tire Cleaner and their tire brush every couple washes: https://gyeonusa.com/products/q-m-tirecleaner
Then I put on their Tire Express dressing which gives more of a deep black factory look than a cheap shiny finish.
My tires look brand new after 1.5 years.
Charles
What is tire blooming? It’s a natural process in modern tires where antiozonants migrate to the surface and oxidize. This is intentional, it protects the rubber from cracking and UV/ozone damage. The brown layer you see is simply those chemicals reacting with oxygen.
Tire dressing can make this worse, especially solvent‑based or petroleum‑based products such as ExoForma Wet Tire Dressing, Armor All Tire Shine, and Chemical Guys Tire Shine Spray or their Nice & Wet Aerosol. These formulas can trap antiozonants at the surface or leave residue that oxidizes brown.
What you want instead is a water‑based, polymer‑based, or resin‑based dressing, such as P&S Dressed Tire Finish, Adam’s Graphene VRT, or P&S Shine All. These don’t accelerate blooming and give a clean, deep black finish.
The biggest tip is to keep your tires properly cleaned. You don’t need a stiff brush, just a quality tire/wheel cleaner that breaks down dirt, oils, and road grime so the dressing bonds cleanly instead of sitting on top of contamination.
JoeyO wroteIME, it can be old tire dressing, blooming, or a combination of both. I find that a good cleaning with an alkaline wheel cleaner brings them back. But again, it often takes multiple applications/ cleaning cycles. Perhaps 3 if they’re bad. I use Adam’s Wheel and Tire Cleaner or Ammo Plum. These are both high pH and work well on oily contamination like this.Fiveightandten, so is the browning merely superficial and due to the old dressing on the surface, or is the rubber permanently brown? I’m just trying to figure out if I use some real elbow grease, can I get my tires get back to their original jet black color?
This Ammo video explains it well.
Hopefully yours just needs a good cleaning with a reputable produc, a brush and some new dressing but not armorall
I don’t like ultra shiny tires, but I want them to have a nice black sheen. I’ve been using Meguiar’s Endurance for years about every 6 weeks in between and have no issues. My tires always look the way I like them, clean and black.
I used this stuff, by the way… is this solvent based or water based? I don’t know.
JoeyO wroteUnless it says otherwise on the description, I'd assume it's not water based.Thanks everyone. This is all helpful. I thought if it was sold as a tire dressing, it would be safe. But apparently all tire dressings aren’t created equal. They should almost have a disclaimer warning that it may turn your tires brown. In the future, I think I’lol stay away from using them.
I used this stuff, by the way… is this solvent based or water based? I don’t know.
Gyeon's Tire Express I mentioned (https://gyeonusa.com/products/q-m-tire-express?variant=44405722972359) is water based and will not harm or discolor tires. It gives you a deeper contrast with a nice matte finish. Much better than dry rubber, IMO.
As noted, the tires must be cleaned and stripped of whatever's on them before applying any kind of dressing/coating or you'll be creating problems. I use Gyeon Tire Cleaner with their brush, then apply Tire Express with a throwaway microfiber. (Gyeon sells little foam applicators for a couple dollars if you want to be ultra precise.)
Charles
