How To Clean A Clear Phone Case That Turned Yellow

Clear phone cases are popular for their sleek, minimalist look, allowing the phone’s design to shine through. However, over time, these cases can lose their transparency and become discolored, particularly yellowed. This yellowing can happen quickly or gradually, depending on various factors like exposure to UV light, sweat, oils from your skin, and environmental conditions. 

Not only does yellowing impact the appearance of your phone case, but it can also diminish the protective function of the case, as it may begin to weaken over time. The good news is that there are simple and effective ways to clean and restore your clear phone case to its original clarity.

In this guide, we’ll walk you through the step-by-step process of how to clean your yellowed phone case, saving you money and extending the life of your accessories. By following these methods, you can keep your phone case looking brand new and preserve your phone’s pristine appearance.

Why Do Clear Phone Cases Turn Yellow?

Clear phone cases are typically made of materials such as thermoplastic polyurethane (TPU) or polycarbonate, which, while durable, are prone to yellowing. The yellowing process happens due to a combination of several factors that affect the material over time.

Oxidation from UV Light: One of the primary causes of yellowing is prolonged exposure to UV rays from sunlight. UV light causes the polymers in the case to break down, resulting in the yellow tint that becomes more noticeable over time. While the yellowing is inevitable for most clear cases, the extent to which it happens can be controlled with proper care.

Exposure to Oils, Sweat, and Dust: The oils from your hands, as well as sweat, can build up on your clear phone case, especially if you use your phone frequently. Dust and dirt can also accumulate on the surface, contributing to the discoloration. These substances can bind to the material and cause it to become stained and yellowish.

Temperature and Humidity: Environmental factors such as high temperatures, humidity, and even pollutants in the air can accelerate the oxidation process, making your clear phone case turn yellow more quickly. Storing your phone case in places where it is exposed to extreme conditions, like in direct sunlight or a hot car, can further exacerbate the problem.

Understanding the cause of the yellowing helps you take the right preventive measures and gives you insight into why your phone case is looking less than pristine.

What You Need to Clean Your Yellowed Clear Phone Case

Before you start cleaning your yellowed phone case, it’s essential to gather the right materials. Here’s a list of items you’ll need for a successful cleaning:

Essential Cleaning Materials:

• Baking Soda: A natural abrasive that helps to scrub off yellow stains and dirt.

• Rubbing Alcohol (Isopropyl Alcohol): Helps to break down oils, grime, and bacteria that have built up over time.

• Whitening Toothpaste: A mild abrasive that works wonders for removing yellow discoloration from clear plastic.

• Gentle Dish Soap: A mild cleanser that is safe for your phone case material.

Optional Items:

• Soft Toothbrush: For gentle scrubbing, especially in hard-to-reach corners.

• Microfiber Cloth: For drying the phone case and polishing it after cleaning.

Items to Avoid:

• Harsh Chemicals: Bleach, ammonia, or other strong chemicals can damage the case material and worsen the yellowing.

• Abrasive Scrubbers: Steel wool or rough scrubbing pads can scratch the surface of the case, making it more prone to discoloration in the future.

By using gentle, non-damaging materials, you can clean your clear phone case effectively without harming it.

Step-by-Step Guide to Cleaning Your Yellowed Phone Case

Now that you have all the materials, it’s time to get to work. Here’s a step-by-step guide to restoring the clarity of your yellowed phone case:

1. Prepare Your Cleaning Space

Set up your cleaning station in a well-lit area. This helps you see any stains or areas that require extra attention. Ensure you have a flat surface, such as a countertop or table, to avoid any accidental spills or damage.

2. Initial Wash

Start by washing the phone case with warm water and a mild dish soap. This removes surface dust, dirt, and oils that could interfere with the cleaning process. Use your hands or a microfiber cloth to gently scrub the case, paying close attention to the edges where grime can build up.

After washing, dry the case with a clean towel to remove excess moisture.

3. Baking Soda Method

Baking soda is a great natural cleaner. To create the paste:

• Mix equal parts of baking soda and water until a thick paste forms.

• Apply the paste to the yellowed areas of the case.

• Use a soft toothbrush to gently scrub the surface in circular motions. Focus on areas that have more visible yellowing.

• Once you’ve scrubbed the entire surface, rinse the case with warm water.

This method can help lift some of the stains and yellowing caused by oils and dirt.

4. Toothpaste Method

Whitening toothpaste is another excellent option for cleaning yellowed cases:

• Apply a generous amount of whitening toothpaste directly to the yellowed areas.

• Use a soft toothbrush to gently scrub in circular motions. The mild abrasiveness of the toothpaste will help break down the yellow tint and polish the surface.

• Let the toothpaste sit on the case for a few minutes for maximum effect.

• Rinse thoroughly with warm water and dry the case with a towel.

5. Rubbing Alcohol Treatment

Rubbing alcohol is effective for breaking down oils and grime that can contribute to yellowing:

• Dampen a soft cloth or cotton pad with rubbing alcohol.

• Wipe down the entire phone case, focusing on the yellowed areas.

• If necessary, use a soft toothbrush to scrub particularly stubborn areas.

• Let the case dry completely before moving to the next step.

6. UV Exposure (Optional)

If you’re looking for an extra boost, placing your phone case under sunlight for a few hours can sometimes help reverse some of the yellowing. The UV rays can help break down the discolored molecules in the case. However, be cautious about leaving it out for too long, as prolonged exposure to UV light can weaken the case material, potentially causing it to crack or become more yellow over time.

7. Drying

After cleaning, it’s essential to dry your phone case thoroughly:

• Air dry the case in a well-ventilated area to avoid any lingering moisture.

• Alternatively, gently pat the case dry with a clean, soft microfiber cloth.

Prevention Tips to Keep Your Clear Phone Case from Yellowing

Prevention is always better than cure. To keep your clear phone case looking brand new for as long as possible, here are some tips:

• Apply a Protective Layer: Consider applying a UV-protective spray or clear coat to your case to help prevent yellowing from UV exposure.

• Regular Cleaning: Make it a habit to clean your phone case every couple of weeks to prevent the buildup of oils and dirt.

• Avoid Excessive Sun Exposure: Keep your phone case away from direct sunlight whenever possible. This will minimize the risk of UV-induced yellowing.

• Minimize Contact with Oils and Lotions: Be mindful of the products you use around your phone. Oils, lotions, and makeup can contribute to yellowing, so try to avoid contact whenever possible.

When to Replace Your Phone Case

If, after all your efforts, the yellowing persists or the case shows signs of damage such as cracking, it may be time to replace it. If your phone case has become too yellowed or stained to restore to its original state, it might not offer the same level of protection.

For those looking for a fresh start, CoralCase offers a range of high-quality, durable clear phone cases that are less likely to yellow. Explore these collections of UV-resistant phone cases designed to keep your phone looking as good as new for longer. You can also purchase Coral Case’s high-quality Waterproof Cases if you want a shockproof LifeProof phone case.

Conclusion

Restoring your yellowed phone case doesn’t have to be a difficult or expensive task. By following these simple steps, you can bring back your case’s original clarity and protect your phone at the same time. Remember to incorporate regular cleaning and preventive measures to keep your case in pristine condition.

Ready to get your phone case looking brand new again? Check out CoralCase’s collection of clear, UV-resistant phone cases for a fresh, long-lasting solution to yellowing.