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Raffles
Original Poster
1,917 posts
99 months
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Hey guys,
My girlfriend and her mother washed their car with washing up liquid. I know this is very bad for the paint, I believe it strips off the protection. What can be done to repair the damage to the protection? Would a good wax treatment be enough?
Thanks for any advice.
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iPlod999
200 posts
13 months
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Yep. Washing up liquid will take of most if not of any protection which was there.
Hopefully, putting a good quality wax will put some protection back on.
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Craikeybaby
1,092 posts
94 months
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A coating of wax or sealant would sort that, I'd be tempted to go with something with a light polishing action too (say Auto Finesse Triple), as the chances are some swirl marks will have been introduced too.
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ViperDave
3,182 posts
122 months
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Its not the end of the world and zaino recommend it as a starting point before applying their products as it does a good job of removing old wax etc prior to clay which will take off anything that was missed.
Don't make a habit of it and apply a coat of wax/polish afterwards, leave the Brillo pad in the kitchen though!
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Raffles
Original Poster
1,917 posts
99 months
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Thanks for the advice guys. 
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Studio117
2,364 posts
60 months
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D_G
1,412 posts
78 months
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Doesn't it have a really high salt content? If so you are pouring all this nice salty water into all the hidden recesses / panels as well as the degreasing agents removing the wax protection...
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RDM
1,292 posts
76 months
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D_G said: Doesn't it have a really high salt content? If so you are pouring all this nice salty water into all the hidden recesses / panels as well as the degreasing agents removing the wax protection... Compared to road salt. Etc I imagine fairy has somewhere between zero and f-all salt content.
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shoehorn
183 posts
12 months
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RDM said: Compared to road salt. Etc I imagine fairy has somewhere between zero and f-all salt content. We did some tests at school on washing up liquids,most were around 20-23% salt. That was twenty years ago though.
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The Spruce goose
4,817 posts
64 months
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having used it myself there are fine salt particles like grit which cause swirls.
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RDM
1,292 posts
76 months
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Good info, I didn't think it would be that bad..
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Raffles
Original Poster
1,917 posts
99 months
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I'll make sure the car gets a very good hose down before we reapply a wax coating then.
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aka_kerrly
4,788 posts
79 months
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Raffles said: I'll make sure the car gets a very good hose down before we reapply a wax coating then. This. Periodically I will use washing up liquid as a stage two of a wash. Starting with a hose down/rinse to get the worst off then a washing up mix followed by hose down followed by proper car shampoo followed by another rinse.
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avocado
85 posts
21 months
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The Spruce goose said: having used it myself there are fine salt particles like grit which cause swirls. There's no way the grit was salt, salt dissolves in water ...
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Squiggs
446 posts
24 months
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The Spruce goose said: having used it myself there are fine salt particles like grit which cause swirls. One squirt of fairy and all my best bone china is scratched ???? .... Nah!
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ViperDave
3,182 posts
122 months
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yeah 1 teaspoon full if fairy of which only 25% is salt, diluted down into 5 gallons of water with that salt not suspended in solution like the dirt coming off the car but actually dissolved into the water at a molecular level, cant see that being very abrasive.
Far more likely its just the fairy took off the wax that was masking the scratches from previous washes.
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