For plastic items that you can't get wet, dampen a magic eraser and wring out the excess moisture. Then, scrub the plastic until the yellow stains are gone. Wipe the item with a dry cloth to remove any leftover moisture. Brush salt onto the stain using a damp cloth.
Try Hydrogen Peroxide
Hydrogen peroxide is a mild oxygen bleach that removes stains on white clothes and plastic containers. Fill the entire container with hydrogen peroxide to keep the color even and remove any other traces of stains. Allow the container to sit for up to 24 hours, especially for severe stains.
Magic erasers won't fix faded or yellowing artwork, I fact I don't think anything can. I used the erasers on the plastic case themselves, the store brand one removed dirt, stickers and pen without issue, the Mr. Clean erasers scratched it.
To make yellowed plastic look new, clean it with soap and water. Apply a paste of baking soda and water or hydrogen peroxide cream (for UV stains). Leave in sunlight for 4-6 hours, then rinse. Polish with plastic restorer or car polish for a glossy, like-new finish.
They work well on grime on the vinyl and plastic doors and on the center console.
How to Remove Shallow Scratches? Clean the plastic surface with a damp cloth, rubbing in a circular motion around the scratch. Dry the area to remove any dirt which should make the process easier to carry out. Apply a mild abrasive, such as toothpaste, furniture polish, baking soda or plastic polish to the scratch.
White vinegar is a safe alternative to harsh cleaners that also works wonders on yellowed plastic. Mix 1 part white vinegar with 1 part water in a container and insert your plastic item. Let the plastic sit in the white vinegar for a couple of hours before rinsing it clean with soap and water.
Simple answer - you can't. Once the plastic has gone yellow nothing will bring it back. however new toilet seats are easy to fit and really cheap. It's had it.
Use a plastic conditioning product and add about a coin-sized amount to the plastic. Use a clean, soft microfiber cloth. Wipe the cloth in a circular motion until the conditioner is no longer visible on the plastic. Then, wipe off the excess, let it dry, and you should be good to go!
Before you retire to the couch, rinse out your Magic Eraser and give your newly freshened surfaces a water wipe down, too. If what you cleaned will come in contact with food, you'll need to wipe it with a wet rag or paper towel, so it will be ready for the next time you meet again.
Toilet seat stains are common and can be caused by product build-up, urine, fake tan, dead skin, mineral deposits and certain cleaning products. The stains can range from orange to yellow to brown or green, depending on the cause of the stain.
I would recommend turning off the unit and then cleaning it down with some sugar soap. You can then prep the surfaces with Flood ESP Surface Prep Spray. After the ESP has dried, I'd suggest coating the unit with White Knight Squirts Spray Paint.
We recommend using lemon juice. You could also try mixing the lemon juice with salt. Rub it into the yellow stains, leave to soak, then scrub away. Rinse your shower tray with warm water afterwards.
Hydrogen peroxide helps break down stains on teeth through a chemical oxidation process. It can penetrate through the dental enamel external surface stains and internal stains. Hydrogen peroxide also acts as a mild antiseptic agent, which makes it effective in combating microorganisms.
Place the plastic pieces under the sun and leave them there for at least a day. It's the UV rays from the sun that in combination with the hydrogen peroxyde will make yellowed plastic white again.
'While magic erasers can lift stains effectively, they can also dull and wear down the finish if used too vigorously due to the abrasiveness. 'I would probably avoid on wooden seats with a gloss finish, whereas plastic and ceramic seats are usually safer to use on. '
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Vinegar and Warm, Soapy Water
Apply a nontoxic solution of warm water, white vinegar and mild dish soap. Soak a clean cloth or paper towel in the warm vinegar solution and rub it over the adhesive. Let it sit for five minutes. Then remove the towel and scrape away the residue.
Create a whitening paste by mixing equal portions of white vinegar, baking soda, and hot water. Use a toothbrush to apply the paste onto the sole area of your shoe. Let the paste sit for about an hour, then use the toothbrush to scrub the paste off. Rinse the soles under cold, running water.
After removing the scratches with toothpaste, baking soda, or sandpaper, apply WD-40 to your plastic item and buff it to a shine using a cotton rag. If you plan on eating off of your plastic, try olive or coconut oil in place of the WD-40.
Magic Erasers are made of melamine foam, which acts like an extremely fine sandpaper. It's this abrasive quality that allows it to remove scuffs and marks from various surfaces. When it comes to cars, this same abrasive quality can potentially damage the clear coat or paint if used improperly.