Car Washing with Dr. Bronner’s Sal Suds (Video)

The first thing I remember ever washing with Sal Suds was my car.

This might just be my favorite use of Sal Suds. It works so fast and rinses so quickly that I once ran out during a rainstorm and cleaned my whole car. Hey, I’m from California and I know the value of free water!

It does such an impressive job on vehicles, is harmless to the environment, and is completely safe for the person using it. What’s not to love?

And as an added bonus, there’s a lovely froth of bubbles to play with in the wash bucket. You might even coax the kids to help you.

If you don’t want to watch the video, here’s the short and sweet:

Add ½ Tbsp. (7.5 mL) Sal Suds in a bucket of water. (That’s about 11¢ of Sal Suds, with 128 car washings/quart bottle.) Use a stiff brush on the wheels and a microfiber mitt on the car. Rinse well with a hose and dry with microfiber cloths.

Pure club soda in a spray bottle is the best natural hack for windows, mirrors, and lights. Spray and wipe with a microfiber cloth. The club soda removes any water spots and won’t harm the paint.

Ready to green clean your car’s interior? See my post, Green Cleaning Car Interiors with Dr. Bronner’s.

17 thoughts on “Car Washing with Dr. Bronner’s Sal Suds (Video)

  1. Hi there!
    Great blog, thank you!
    I grew up with Dr B’s Castile soap and am very happy that the company is thriving.
    I just bought some of the Sal Suds at Sprout’s after reading about its many uses here.
    I like ammonia because it is free rinsing and cuts grease so fast,
    but Sal Suds is just as good . I cleaned the metal mesh screen above the stove in one dip!
    So sudsy.
    Now I have a problem with stucco on my car.
    I would love to know if anybody has any results on this problem for me?
    Thanks so much!

    • Hi Marilena- Thanks so much for your kind words! Glad to hear you’ve been with us for a while. Stucco on your car does not sound fun. Unfortunately, I do not know how to remove that without damaging the paint. Perhaps another reader can give some tips, or you might need to reach out to an autobody shop. Good luck!

  2. I love Dr. Bronner’s liquid and bar soaps and use them to clean just about everything. I would so love to start using the Sal Suds to wash my car instead of chemically laden car wash soap. I have heard time and time again how regular dishwashing soap ( I do understand that Dr. Bronner’s is not like commercial soaps) will eventually strip the paint finish off of a car over time. I have been hesitant to try Dr. Bronners for my car without first having some more concrete information. I was wondering if you might have any research or solid information to suggest that Dr. Bronners won’t harm a car’s paint finish? Would you also recommend using Dr. Bronner’s regular liquid soap for exterior car washing?
    Thank you!

    • Hi Leslie- I’ve washed all my cars with Sal Suds for years and haven’t had a problem. I wouldn’t recommend the Castile soap though. True soaps like our Castile react with minerals everpresent in the water and can leave stubborn water spots on shiny surfaces. Sal Suds is clean rinsing and leaves cars spot-free.

  3. Will Sal Suds harm aluminium? I have an airstream travel trailer I’d like to wash.

    • Hi Lynne- Sal Suds will do an excellent job cleaning your trailer, inside and out.

  4. Sal Suds in San Antonio: Bed Bath & Beyond at Huebner Oaks, Natural Grocers, Whole Foods, some HEB stores too!

  5. I have yet to see Sal Suds in any of the stores around here. Would really like to try them out. Already use Dr. Bronners Castile soap, but would like to try the Sal Suds.

    • Hi Mary – The Sal Suds is usually placed in the house cleaning aisles in stores. It is more common to find it in a natural foods store. Where are you located?

    • It’ll definitely be in the big chains like Whole Foods, Sprouts & Wild Oats, but quite possibly in smaller ones too. Just look in the housecleaning aisle and not in the body care aisle. It won’t be on the same shelf as the castile soaps.

  6. Hi. I wanted to use Sal Suds as a natural car wash concentrate, but it seems to me that I read (here?) Sal Suds will strip wax. Is this true? If so, my fellow readers should know that a reapplication of wax afterward is necessary to protect the paint.

    • Hi Dustin – I haven’t found that to be the case. Is this something you’ve experienced?

    • I was hesitant to use it, but I will gladly defer to you on this. You know Sal Suds better than I do! If you say it’s ok, I will use it with no qualms.

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