Cleaning a phone case almost always starts with the same safe basics: remove the case from your device, use lukewarm water with a little washing-up liquid, brush dirt out of the corners and let it dry completely. With a clear or transparent case, there is one extra point to keep in mind: not every yellow haze is simply dirt. Sometimes the material itself has discoloured. Whether you search for how to clean a phone case, clean phone case, clean a phone cover or sanitise a phone case, below you will find the methods that really work without causing unnecessary damage.
See at a glance what your case needs
First, check whether you are dealing with ordinary dirt, greasy build-up or actual material yellowing. That difference determines whether cleaning will still help or whether a new phone case is ultimately the smarter choice.
| Problem | How to recognise it | Best approach |
|---|---|---|
| Dust and grease | Dull patches, dirty edges, fingerprints | Lukewarm water, washing-up liquid and a soft brush |
| Surface build-up | Light haze, especially in corners and along the sides | Washing-up liquid or a mild baking soda paste |
| Deep yellowing | An even yellow tint across the entire clear case | Only limited improvement is possible, replacement is often the best option |
| Delicate materials | Leather, wood, printed finishes or a glossy coating | An almost dry, soft cloth and very gentle cleaning |
The safe basic method for almost any phone case
For most cases, a mild clean is enough. This method is suitable for everyday maintenance and helps prevent dirt from settling in.
- Remove the case from your phone.
- Fill a bowl with lukewarm water and add a few drops of mild washing-up liquid.
- Use a soft toothbrush, microfibre cloth or sponge to gently clean the edges, cut-outs and buttons.
- Rinse the case well so that no soap residue remains.
- Dry the case with a soft cloth and then let it air dry completely before putting it back on.
If you want extra degreasing or disinfection, use a small amount of alcohol on a cloth. Do this sparingly and only on hard plastics or silicone without a delicate finish.
Cleaning a clear or transparent phone case
Cleaning a clear phone case takes a little more nuance than cleaning a dark or opaque model, because dirt and discolouration are visible straight away.
Why a transparent case turns yellow
A clear case turning yellow is usually the result of material ageing. Many transparent cases are made of TPU or silicone-like plastics that react to UV light, heat, oxygen and skin oils. This causes oxidation and the material loses its clear appearance. Grease, make-up, hand cream and dust make that effect worse, especially along the edges. So when cleaning a yellow phone case, it is important to know whether you are removing build-up or trying to reverse true discolouration. Build-up can often be removed quite well, but cleaning a yellowed phone case becomes difficult once the material itself has changed chemically.
Which methods work best
Washing-up liquid and lukewarm water
This is the best first step for cleaning a clear case. Leave the case to soak for a few minutes in lukewarm soapy water, then brush out the corners and edges and rinse thoroughly. For normal dirt, this is often enough.
Baking soda or soda
When people search for cleaning a phone case with soda, they usually mean baking soda. That is the safer choice. To clean a clear phone case with baking soda, make a thick paste of water and baking soda, apply it to the yellowed areas and gently scrub with a toothbrush. This mainly helps with surface build-up, not always with deep yellowing.
Alcohol
Alcohol is mainly useful for removing grease and sticky residue. Use a small amount on a cloth, not as a soak. For cleaning a transparent silicone case or MagSafe phone case, this is only suitable if you work carefully and the material has no delicate print or coating.
Methods best used sparingly
Many quick tricks circulate online, but not all of them are sensible. Cleaning a phone case with cola is usually not a good idea, because the sugar can leave residue behind. Toothpaste can cause fine scratches and dull patches on transparent plastic. Cleaning a phone case with bleach should only be considered in exceptional cases for solid-colour hard plastic without a print, but it is unsuitable for soft TPU, silicone, leather, wood and premium finishes. Hot water is also not recommended, because silicone and soft plastic in particular can warp.
Cleaning plastic, silicone and other materials
Cleaning a silicone phone case
A silicone phone case is best cleaned with mild soapy water and a soft brush. Silicone is flexible, but it absorbs grease and dyes relatively quickly. That is why cleaning a white silicone case sometimes requires a second round with baking soda on the dirty areas. Do not use abrasive cleaners or hot water, as this can damage the surface or cause the case to warp. The same applies when cleaning a white phone case: working gently is more effective than scrubbing hard.
Cleaning a plastic phone case
Cleaning a plastic phone case is often straightforward, because hard plastic is less porous than silicone. Washing-up liquid is usually enough. If there is stubborn greasy residue on it, you can use a cloth with a small amount of alcohol. Be careful with printed cases, glossy coatings or licensed designs: always test any cleaner on an inconspicuous area first to prevent discolouration or dullness.
Leather or wooden cases
Leather phone cases and wooden cases require a much drier approach. Use a soft, slightly damp cloth and immediately wipe over with a dry cloth afterwards. Never soak these materials and do not use baking soda, bleach or alcohol. With leather, too much moisture can cause staining, while wood can swell or lose its finish.
How to stop your phone case getting dirty or yellow too quickly
With clear and light-coloured cases, prevention is often more important than intensive cleaning. So give your case a quick clean every week, especially if you use a lot of hand cream, make-up or sun cream. Do not leave your phone in direct sunlight for long periods, for example on a dashboard or windowsill. Do not keep your device loose in a bag among dust, crumbs or cosmetics. Remove the case from your phone from time to time so you can clean the inside as well. If you later choose a new clear case, a model with an anti-yellowing finish can slow down discolouration, although even that will not stop the process completely.
Frequently asked questions
How do you get a clear case clean again?
Always start with lukewarm water, washing-up liquid and a soft toothbrush. That is the safest way to remove grease, dust and build-up. If you want to clean a clear phone case, this method is almost always better than aggressive household hacks.
How do you get the yellow tint out of your case?
For surface build-up, a baking soda paste can help. If the yellow tint is caused by UV light and oxidation of the material, you usually will not be able to make the case fully clear again. In that case, more scrubbing often adds very little.
How do I clean transparent plastic?
You clean transparent plastic with mild soapy water, a soft cloth or brush, and plenty of rinsing. It is better not to use abrasive products, because they can make the surface dull. For greasy residue, you can use a small amount of alcohol.
Can you clean your phone with glasses wipes?
For a quick freshen-up, glasses wipes can be fine on a screen or smooth surface, as long as they are not too harsh. For a phone case, they are mainly useful between two thorough cleans, not as a replacement for proper cleaning with soap and water.
Can I clean a phone case with bleach?
Only with a solid-colour hard plastic case without a print can you cautiously consider heavily diluted bleach, with gloves and thorough rinsing afterwards. For silicone, clear TPU cases, leather, wood, and printed or coated cases, bleach is not recommended because of discolouration and material damage.
Does cleaning a phone case with cola or soda help?
Cleaning a phone case with cola is not recommended, because it can leave sticky residue behind. By soda, people usually mean baking soda, and that can help with light build-up. Just do not expect miracles from a deeply yellowed case.