
Plastic is a common material in modern cars, used for everything from headlights to bumpers. However, it can be prone to fading and discolouration over time, especially black plastic trim and bumpers, which can lose their rich, dark colour and turn grey after exposure to harsh sunlight and weather conditions. Luckily, there are several ways to restore plastic on an automobile, ranging from DIY solutions to store-bought products.
| Characteristics | Values |
|---|---|
| Plastic restoration products | Turtle Wax Black in a Flash Trim & Tyre Dressing, Mothers Back to Black, Aerospace 303, CeraKote, Rust-oleum Wipe New, Car Throttle, Olive oil, Heat gun, Black spray paint, Black plastic trim moisturizer, UV-resistant trim shine, Microfiber cloths, Edgeless detailing cloth, Plastic trim restorer |
| Plastic restoration methods | Wash the plastic parts with soapy water, wipe dry, apply the product, buff lightly, scrub the trim by hand using a brush, a wash mitt or a machine |
| Plastic damage causes | Environmental factors, harsh weather conditions, sun exposure, oxidation |
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What You'll Learn

Clean plastic trim with soapy water
If your car's plastic trim has become dirty, dusty, or grimy, cleaning it with soapy water can help restore its appearance. This method is straightforward and can be done with essential household items.
First, dip a microfiber cloth into a mixture of soap and warm water. If you don't have a microfiber cloth, a soft toothbrush or soft-bristled brush can be used instead. Gently wipe down the plastic trim with the cloth, being careful not to scratch the surface. For stubborn dirt or hard-to-reach areas, use a soft-bristled brush or toothbrush and scrub gently. Make sure to remove all soap residue, as it can cause streaking or damage if left on the trim.
After wiping down the trim, thoroughly rinse the surface with clean water from a hose or bucket to ensure no soap residue is left behind. This step is crucial to preventing water spots and streaks, which can detract from the trim's appearance.
Finally, use a clean, dry microfiber cloth to dry the trim. Ensure all moisture is removed. This step helps restore the shine and enhances the appearance of the plastic trim.
Cleaning plastic trim with soapy water is a simple yet effective way to maintain your car's appearance and prevent the buildup of grime and oxidation. It is important to avoid using harsh chemicals or abrasive cleaners, as these can damage the plastic finish. Regular cleaning and maintenance of your car's plastic trim can help keep it looking like new.
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Use olive oil to restore colour
Plastic is everywhere in a modern car, and it's easy to see why. Plastic is lighter than steel, cheaper to make, easier to mould, and resistant to shocks and impacts. However, plastic is prone to fading and discolouration over time, especially car trims and bumpers. Luckily, there are several ways to restore the colour of plastic, one of which is using olive oil.
Clean the plastic surface
Before applying olive oil, it is important to clean the plastic surface. Wash the plastic with soap and warm water to remove any dirt, dust, and grime. Rinse it well with clean water and wipe it dry with a microfiber towel.
Apply olive oil
Pour a coin-sized amount of olive oil onto a washcloth or paper towel. Massage the olive oil into the plastic using back-and-forth motions. Ensure that the plastic absorbs the oil by letting it soak for 5 to 10 minutes.
Buff the plastic
After rubbing the olive oil into the plastic, use a dry washcloth to buff the surface. Wipe the plastic using rapid circular motions and apply heavy pressure to remove any excess olive oil and give the plastic an extra shine.
Inspect the plastic
Once you have removed the olive oil, inspect the plastic for any residual discolouration. If there are any patches that the olive oil did not restore, repeat the process, adding more oil and directly targeting the stubborn area.
Maintain the colour
It is important to note that the colour restoration provided by olive oil may not be long-lasting. The olive oil finish will fade after repeated washings or weather exposure. To maintain the colour, reapply olive oil at least weekly and ensure that the plastic is protected from harsh UV rays.
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Use a heat gun to restore shine
Using a heat gun is an effective way to restore shine to plastic surfaces on automobiles. This method is a convenient and economical way to breathe new life into faded plastics. It works by applying heat to break down and realign the molecular structure of the plastic, rejuvenating its colour and surface.
The key to success is maintaining control over the heat. Excessive heat can cause the plastic to warp, melt, or become brittle, while insufficient heat won't produce the desired effect. Therefore, it is important to wear gloves and keep the workspace free of flammable materials. Before beginning, ensure that you have prepared the plastic surface and the surrounding area. First, clean the plastic surface with soap and water to remove any dirt or debris. Then, remove any old paint or coatings, and apply heat-resistant tape or protective sheets to surrounding areas that may be sensitive to heat.
When using the heat gun, move it in a slow, circular motion across the surface, avoiding staying in one spot for too long to prevent discolouration or damage. Stop heating once the colour of the plastic has deepened to your desired result. Allow the plastic to cool completely before touching or applying any products.
For added protection and shine, you can apply a plastic restorer after the plastic has cooled. This will help seal the surface and protect it from future fading. Additionally, you can consider sanding, polishing, and coating the surface for further protection and enhancement of shine.
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Cover with black spray paint
If you're looking to restore plastic on your car, one option is to cover it with black spray paint. This method can be used to revitalise the exterior appearance of your car, making plastic fixtures look new again.
Before you start spray painting, it's important to prepare the plastic car parts. If possible, remove the plastic part from the car's exterior. If the part cannot be removed, mask off the surrounding areas with masking tape to prevent overspray. When masking, ensure there are no gaps that paint could seep through. Use a type of tape that is suitable for the shape of the plastic part—for parts with straight edges or slight bends, for example, you can use Lime Precision Masking Tape.
Next, sand down the surface of the plastic part to ensure it is as smooth as possible. Work slowly and use different levels of sandpaper, from 150-grit to 1200-grit, to get the smoothest finish. The aim is to remove the shiny surface from the plastic, which will help the primer and paint adhere better and provide a lasting paint job. After sanding, clean the plastic part with warm water or soapy water to remove any dirt or debris left by the sandpaper.
Now you're ready to start painting. First, apply a suitable primer to the plastic part. Hold the can around 6-7 inches away from the part and keep it upright to ensure an even finish. Apply 3 to 4 coats of primer, waiting 15 minutes between each coat to allow each layer to dry.
Once the primer is dry, you can start applying the black spray paint. Hold the paint can in an upright position and apply 3 to 4 coats, again waiting 15 minutes between each coat to allow drying. If you are making a drastic colour change, such as covering a black part with white paint, you may need to apply more coats of paint.
Finally, apply a clear lacquer over the paint to provide a shiny appearance and protect the colour. Apply 4 to 5 coats of lacquer, leaving each layer to dry for around 15 minutes. Once dry, use a clean microfiber cloth to polish the plastic part, bringing out the shine and removing any loose debris.
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Use a plastic restorer product
If you are looking to restore the plastic on your car, there are several products available on the market. These plastic restorers are designed to bring out the plastic's natural lustre and restore its shine.
Turtle Wax Black in a Flash Trim & Tyre Dressing
Turtle Wax's plastic restorer contains conditioning agents that reverse ageing and keep rubber and plastic trim soft and flexible. It is infused with powerful UV inhibitors that prevent damage from prolonged exposure to the sun. To use this product, simply massage it into your car's interior with a microfiber towel.
Mothers Back to Black
Mothers Back to Black is a product that shines and restores colour to faded plastic. It is a temporary solution that will only last a few wash cycles or a couple of days of rain. However, when used regularly as part of your car-cleaning regimen, it can help keep your plastic trim looking good.
Aerospace 303
Aerospace 303 is an armour-all type product with UV protection and restorative properties. It is designed to protect your plastic trim from sun damage and keep it looking new.
CeraKote
CeraKote is a high-temperature ceramic coating product recommended by Project Farm for restoring plastic trim. While it is typically used for exhausts, it can also be used on plastic trim with potential positive results.
Olive Oil
If you are looking for a more natural solution, olive oil can be used to restore black plastic. Simply rub a coin-sized amount of olive oil onto the plastic surface with a cloth. You can then use a separate dry cloth to buff the surface and remove any excess oil. This method will need to be repeated weekly to maintain the shine and protection.
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Frequently asked questions
There are several ways to restore the plastic on your car. You can use a plastic restorer, which you can buy from an auto parts shop or online. The typical instructions are to wash the plastic parts with soapy water, wipe dry, apply the product, and buff lightly. You can also use olive oil, which restores the plastic's natural colour and shine. Simply rub the oil onto the plastic, let it soak, then buff with a dry towel. Finally, you can use a heat gun to bring out the natural oils in the plastic, but this is not a long-lasting solution.
There are many products available to restore the plastic on your car. You can use a plastic restorer, such as Turtle Wax Black in a Flash Trim & Tyre Dressing, which contains conditioning agents to reverse ageing and protect the plastic. You can also use olive oil, which is a natural, inexpensive alternative to plastic restorers. If you want to use a product specifically made for cars, you can try a black plastic moisturizer, which you can buy at most automotive stores.
Discoloured plastic on a car can be restored by using a plastic restorer, olive oil, or a heat gun. If the plastic has turned white due to oxidation, you can try to remove as much of the oxidation as possible by scrubbing the plastic. You can also try using a product such as Mothers Back to Black, which restores colour to faded plastic, or Rust-oleum Wipe New, which has been known to hold up for years in the sun.











































