Back when I first started turning wrenches, nobody thought twice about washing a car with dish soap. It cut grease in the shop, so it had to be good for paint, right? I did it myself for years. Then I got a look at what it was doing to the clear coat on a customer's truck, and I stopped recommending it to anyone. These days, when I wash my own 2016 F-150 in the driveway here in Tulsa, I reach for foam soap, specifically Chemical Guys Mr. Pink. It costs a little more than a bottle from the grocery store, but it is not the same product. Here are ten reasons I made the switch and why I would not go back.
My truck has rolled past 140,000 miles, so I am not chasing a showroom shine. What I care about is that the paint still looks right in five years. That means keeping the little bit of protection that is left on it, and dish soap works against you on that front from the first wash.
Ditch the Dish Soap Before It Costs You a Paint Job
Chemical Guys Mr. Pink is the foam soap I use on my own truck after years of watching dish soap dull customer paint. It cleans without stripping wax, and it is cheap insurance for a daily driver.
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The degreasers in dish soap are made to break down food grease, and they do not care whether that grease is on a plate or a door panel. Every wash pulls a little more wax or sealant off the surface. I have run my hand over customer hoods that felt like sandpaper after a summer of dish-soap washes, and the owners had no idea why. Foam soap like Mr. Pink is pH balanced for automotive clear coat. It lifts the road film and leaves the protection in place, so water still beads up and the next wash goes faster.
Foam lifts dirt instead of dragging it across the paint
A car wash is really an exercise in removing grit without grinding it into the clear coat. Dish soap makes suds, but the suds are thin and the dirt sinks back onto the panel. Mr. Pink through a foam cannon lays down a thick layer that clings, lifts the grit, and holds it in suspension so the mitt barely touches the surface. I notice it in the rinse water. With dish soap, my bucket stays gritty all the way through. With Mr. Pink, the dirt settles to the bottom of the bucket and the mitt stays clean.
It is pH balanced, and your clear coat can tell the difference
Dish soap is alkaline, and alkaline is exactly what eats wax and dulls trim. Automotive wash soap is formulated to sit in a safe middle range. I have a 2016 F-150 with black trim around the windows, and I have watched dish soap leave white streaks on that trim in a single summer. Mr. Pink has never done that in the year and a half I have used it. If you detail your own vehicle, you are already fighting Tulsa sun and hard water. You do not need a soap that is working against you on top of that.
It is made for a foam cannon, not just a bucket
Dish soap is thin no matter how much you pour in. Mr. Pink is concentrated, so an ounce or two in the cannon reservoir turns into thick foam that clings to the panel for a few minutes instead of running straight off. That dwell time is the whole point. The soap sits on the paint, loosens the bugs and road film, and then rinses away. I run it through a cheap foam cannon on a pressure washer, the same one I have used for about two years now, and the foam holds long enough to do the work.
It rinses clean and leaves no film behind
Dish soap can leave a dull film if you do not rinse thoroughly, and that film collects dust before the truck is even dry. Mr. Pink is designed to rinse completely, which matters when you wash in the driveway with a hose instead of a pressure washer. I found out the hard way with a customer's black sedan years ago, when a soap film left streaks that took a second wash to fix. Since switching to Chemical Guys Mr. Pink on my own truck, I have not had to rewash a single panel.
You can wash every week without wearing down the clear coat
Dish soap is aggressive enough that washing weekly is asking for trouble, because every pass strips a little more of what is protecting the paint. Mr. Pink is gentle enough for a weekly routine, and that matters in Tulsa in the summer when the truck collects bugs and dust every single day. I washed mine every Sunday from May through September last year, and the paint still has the same depth it had in the spring. You cannot say that about a truck washed with dish soap all summer.
A little goes a long way, so the bottle lasts
You need a lot of dish soap to get any kind of suds in a five-gallon bucket, and even then it is not much. Mr. Pink is concentrated, so a couple of ounces does a whole truck. I bought the 64-ounce jug at the start of last spring, washed the truck just about every week through the fall, and I am still working through that same jug. I do not have to think about cost per wash because the bottle just keeps going, and I am not throwing away money on a product that fights my wax.
It is safe on trim, rubber, and newer coatings
Dish soap will dull rubber wiper blades, dry out plastic trim, and strip a ceramic coating just as fast as it strips wax. Mr. Pink is mild enough that I do not worry about any of that. I wiped down the rubber seals around my truck's doors with it all last year and they still look the same. If you have put money into a coating or a sealant, the soap you use is part of that investment. A gentle automotive wash protects it. Dish soap undoes it.
The smell alone is reason enough to switch
This sounds like a small thing until you spend an hour washing a truck in the driveway. Dish soap smells like a kitchen sink. Mr. Pink smells like bubblegum, and it is a pleasant smell that does not linger on the paint. My wife Denise noticed the difference the first time I washed the truck with it, and she does not usually have an opinion about car soap. It is a minor detail, but minor details are why a Saturday wash stops feeling like a chore and starts feeling like a routine you do not mind.
It handles hard water better than dish soap
Tulsa water is hard, and hard water leaves mineral spots if the soap does not help them rinse away. Dish soap does nothing for that. Mr. Pink has water softeners built in, so the minerals rinse off the panel instead of drying into white spots. I wash in the evening when the sun is off the driveway, dry with a microfiber towel, and I rarely have to chase spots. In a hard-water town, that alone is worth the switch from the grocery store bottle.
What I'd Skip
Mr. Pink is a wash soap, not a fix-everything product. If your truck is caked in mud, foam it, rinse it, and foam it again before you break out the mitt, because no soap can wash away that much grit in one pass. If you have tar or tree sap on the paint, you still need a dedicated remover, because this soap will not touch it. And if you are expecting it to add protection, it will not. It cleans and it preserves what is already there, but it does not lay down new wax. For that you still need a separate step. I keep a bottle of spray wax in the garage for after the wash when I want the extra layer.
After a full summer of Sunday washes with Mr. Pink, the water still beads up on my truck's hood. Dish soap would have stripped that protection in the first month.
Stop washing your paint with dish soap
If you wash your own vehicle, the soap you use is the cheapest part of protecting the paint. Chemical Guys Mr. Pink cleans without stripping wax, works in a foam cannon or a bucket, and has held up through a year and a half of Tulsa summers in my driveway. That is the recommendation I give customers who ask.
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