
Keeping your phone case clean is important, not only to maintain its appearance but also to keep it germ-free. While there are many methods for cleaning phone cases, some recommend against using bleach as it can damage some phone cases. However, if you're looking to whiten a yellowed plastic phone case, you may be considering using bleach. Here's a guide on how to effectively bleach a plastic phone case to restore its original colour.
Characteristics and Values Table for Bleaching a Plastic Phone Case
| Characteristics | Values |
|---|---|
| Frequency of cleaning | Twice a week or more, depending on exposure to dirt, moisture, or other contaminants |
| Cleaning solution | Bleach, hydrogen peroxide, baking soda, dish soap, white vinegar, rubbing alcohol, or laundry detergent |
| Dilution | Bleach: one teaspoon per bowl of water; Hydrogen peroxide: half a cup per bowl of water |
| Application method | Toothbrush, soft cloth, or sponge |
| Rinsing | Thorough rinsing with clean water |
| Drying | Air drying for at least an hour |
| Other precautions | Avoid using bleach in full concentration; remove phone from case before cleaning |
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What You'll Learn

Dilute bleach with water
Bleach can be effective in removing tough stains from plastic phone cases, but it should be used with caution as it can damage some phone cases. If you decide to use bleach, it is important to dilute it with water to avoid damaging your phone case. Here is a step-by-step guide on how to dilute bleach with water to clean your plastic phone case:
Prepare the Cleaning Solution
Mix a small amount of bleach with water in a container. The exact ratio of bleach to water may vary depending on the severity of the stains and the type of bleach used. A common recommendation is to use one teaspoon of bleach for every cup of water. Always err on the side of caution and start with a weaker solution, as you can always increase the concentration if needed.
Submerge the Phone Case
Once you have prepared the diluted bleach solution, carefully submerge your plastic phone case in the container. Ensure that the case is completely covered by the solution. You may need to weigh it down or stir the solution gently to ensure even coverage.
Soaking Time
Allow the phone case to soak in the diluted bleach solution for a few minutes. The required soaking time will depend on the severity of the stains. For tough stains, you may need to let the case soak for longer, but always monitor the process to avoid over-soaking, which could damage the case.
Rinsing and Drying
After soaking, remove the phone case from the diluted bleach solution and rinse it thoroughly with clean water. Make sure to remove all traces of bleach from the case. Once rinsed, dry the case with a soft cloth and let it air dry completely before putting it back on your phone.
Precautions
Always exercise caution when working with bleach. Wear protective gloves and ensure the work area is well-ventilated. Avoid mixing bleach with other chemicals, and never use undiluted bleach on your phone case, as it can cause permanent damage. If you are concerned about the potential effects of bleach, it is recommended to test the solution on a small, inconspicuous area of the case first.
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Use a toothbrush to scrub
While bleaching can be an option to clean a plastic phone case, it can be risky as it can permanently ruin your case. It is recommended to use other methods to clean your phone case and only use bleach when other methods fail.
Toothbrushes are a great tool to scrub your phone case and get rid of dirt and stains. When using a toothbrush, it is important to be gentle and avoid scrubbing vigorously, especially if your case has paint or dye in the material. You can use a toothbrush with soapy water, or with other cleaning agents like baking soda or toothpaste.
To use a toothbrush with soapy water, start by mixing a drop of dish soap with a cup of warm water. Dip a clean, unused toothbrush into the soapy water and scrub the case, making sure to get into all the corners and hard-to-reach spots. Pay special attention to spots where you notice stains and try scrubbing in a circular motion. You can also use a toothbrush with baking soda to scrub your phone case. Sprinkle some baking soda on a wet toothbrush and scrub the case well. Repeat this process as needed.
For more difficult stains, you can try using toothpaste. Squirt some toothpaste onto your case and scrub it with a toothbrush until all the stains are gone. You can also try using steel wool instead of a toothbrush for this method. If none of these methods work, you can try using bleach, but be aware that it can damage some phone cases.
Overall, using a toothbrush is an effective way to clean your plastic phone case and remove stains. Just make sure to be gentle and use the right cleaning agents for the best results.
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Rinse with clean water
Rinsing your phone case with clean water is the final step in cleaning your phone case. Before rinsing, you should have already scrubbed your phone case with a cleaning agent, such as baking soda, dish soap, or hydrogen peroxide.
When rinsing, hold the phone case under running water in your sink. Make sure to eliminate all of the soap or cleaning agent, including in hard-to-reach spots. If there is any debris left on the case, scrub it again with a toothbrush, applying more soapy water as needed.
After rinsing, dry the case off with a clean towel. It is important to make sure the case is completely dry before putting it back on your phone. Water can linger in smaller spaces, like the hole for the charging port, and end up inside your phone. Place the case on a countertop for at least an hour to air dry. You can also use a microfiber cloth to absorb any remaining droplets.
If you have used bleach to clean your phone case, rinsing with clean water is especially important. Bleach can damage some phone cases, so it is crucial to make sure all of the bleach residue is removed.
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Air dry
- Remove your phone from the case and set it somewhere away from the water. It is important to take your phone out of the case before cleaning and drying to avoid water damage.
- Place the case on a countertop or well-ventilated area to dry. You can also use a dry microfiber cloth to absorb any remaining droplets and speed up the drying process.
- Allow the case to air dry for at least an hour. Make sure that the case is completely dry, as water can linger in smaller spaces, such as the charging port, and end up inside your phone.
- While the case is drying, you can clean your phone screen or disinfect your phone. You can also wash your phone case weekly to prevent stains from forming.
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Avoid bleach on certain materials
Bleach is a common household disinfectant that can be used for a variety of cleaning tasks. However, it is important to note that bleach should not be used on all surfaces and can cause damage if misused. Here are some materials and surfaces that you should avoid cleaning with bleach:
Wood
Bleach is a basic solution, while wood is slightly acidic. Bleach can damage the cellular structure of wood, essentially breaking it down over time. Therefore, it is not suitable for cleaning wooden surfaces or items.
Metals
As an oxidizing agent, bleach does not react well with most metals. Using bleach on stainless steel, for example, can cause the metal to rust over time. It is best to avoid using bleach on any metal surfaces to prevent corrosion and discolouration.
Marble and Travertine Tiles
Marble and travertine tiles are porous and delicate materials that can be easily damaged by harsh chemicals like bleach. Using bleach on these tiles will break down the tile grout, making it susceptible to mould, dirt, and debris. The only way to fix this damage is to replace the affected tiles, which can be costly.
Painted Surfaces
Painted walls or surfaces should also be avoided when cleaning with bleach, even if the bleach is diluted. Bleach can break down the paint, causing it to peel or discolour. This is especially important to consider when cleaning walls or painted items in your home.
Fruits and Vegetables
While it is safe to use bleach on eating utensils and countertops, it is not recommended to wash fruits and vegetables with bleach. These foods should be scrubbed under running water to remove any dirt or impurities.
Other Cleaning Products
It is generally advised to avoid mixing bleach with other cleaning products. Common cleaners may contain ingredients that, when combined with bleach, can create hazardous fumes that are dangerous to breathe in. Always read the manufacturer's instructions and never mix bleach with other disinfectants or cleaners unless specifically instructed to do so.
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Frequently asked questions
Bleach can be used to clean a plastic phone case, but it is not recommended as it can damage and discolour the case. If you do choose to use bleach, only add a few drops to a bowl of diluted water and scrub the case with a toothbrush.
Yes, there are many alternatives to using bleach. You can use baking soda, toothpaste, dish soap, salt, vinegar, or hydrogen peroxide.
Remove the case from your phone and use a toothbrush dipped in soapy water to scrub the inside of the case. Pay attention to corners and edges where dirt and grime tend to accumulate.

































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