July 23, 2024
how to whiten yellowed plastic

Plastic items are a practical and cost-effective way to add a touch of convenience to our everyday lives. From kitchen dinnerware to outdoor furniture, plastic items are durable and convenient. However, over time, plastic items can start to appear yellow and dull due to exposure to sunlight and other elements. 

If you’re looking for a way to safely and effectively whiten and clean yellowed plastic items, you’re in the right place. In this blog post, we’ll cover the various safe and effective methods you can use to whiten and clean yellowing plastic items. From DIY solutions to commercial cleaners, we’ll provide detailed instructions on how to whiten and clean yellowing plastic items with minimal effort and cost. Get ready to restore the lustre and beauty of your plastic items to make the most out of them!

1. Cleaning with Hydrogen Peroxide and Baking Soda

Whitening and cleaning yellowing plastic items don’t have to be a difficult task. One safe and effective method is to use hydrogen peroxide and baking soda. This is a great way to remove mildew, stains, and other discolouring from your plastic items. First, mix together a solution of one part hydrogen peroxide and two parts baking soda. Once mixed, use a soft cloth to apply the solution to the surface of your plastic item. Allow the solution to sit for 10 minutes before rinsing off with warm water. Your plastic item should now be whitened and cleaned.

2. Using a Lemon and Salt Solution

The second method for whitening and cleaning yellowing plastic items is using a lemon and salt solution. To begin, you will need one lemon, one tablespoon of salt, and a cup of warm water. First, squeeze the juice from the lemon into the cup of water and mix until the salt is dissolved. Next, soak the yellowed plastic item in the solution for up to an hour. Finally, rinse the item under cold water and allow it to dry. This method is a great natural way to safely and effectively whiten yellowing plastic items.

how to whiten yellowed plastic

3. Using OxiClean

OxiClean is an oxygen-based cleaner that is safe to use on plastic items. It is recommended for the light yellowing of plastic items, but it can also be used to remove surface dirt from plastic items. To use OxiClean, mix a solution of 1/2 cup of OxiClean and 1 gallon of hot water. Soak the plastic item in the solution for 30 minutes, then rinse it off with warm water. If the plastic item is still yellowed, repeat the process. Make sure to rinse off the OxiClean solution thoroughly after use.

4. Applying Toothpaste and Baking Soda

Applying toothpaste and baking soda can be an effective way to whiten and clean yellowing plastic items. Start by mixing a small amount of baking soda and toothpaste in a bowl to form a paste. Apply the paste to the affected plastic item and allow it to sit for 10-15 minutes. After the time has elapsed, use a damp cloth or soft-bristled toothbrush to gently scrub the paste into the plastic. Rinse the item with warm water and dry it with a soft cloth. This method can be used for yellowing plastic items that have no paint or dye on them.

5. Soaking in Dish Soap and Water

5. Soaking in Dish Soap and Water: Another effective method to clean yellow plastic items is to soak them in a solution of warm water and dish soap. Fill a sink or bucket with warm water and add a few drops of dish soap. Place the plastic items in the solution and let it soak for at least an hour. After soaking, use a soft brush to scrub the plastic to remove the dirt and debris. Finally, rinse off the dish soap and dry the plastic with a clean cloth.


In conclusion, yellowing plastic items can be an unsightly problem, but the good news is there are several safe and effective methods to whiten and clean them. Whether you choose to use household products like baking soda and hydrogen peroxide or specialized cleaning solutions, you should be able to restore the original whiteness of your yellowed plastic items. With a little bit of patience, you can bring back the original shine of your plastic items and make them look as good as new.

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