Alcohol wipes and gels — anything over 50% alcohol will damage your display oleophobic coating. It can also leave a damaging solvent coating that can discolor or damage your device.

What is Oleophobic coating? Oleophobic coating provides a certain amount of finger smudge resistance to all smart phones’ display and keeps the dust away. Due to this, one simple wipe with a soft cloth makes your mobile brand new every time.

Even if you do use a screen protector it probably isn’t the cause. Alcohol is one of the top causes of removing this film over screen protectors. Tempered glass that has a plastic film, or a plastic film that is glare resistant, privacy protectors don’t tend to remove your Oleophobic coating either.

Best Tempered Glass Screen Protector Brand You Should Always Go With!

• amFilm Tempered Glass Screen Protector.
• Supershieldz Screen Protector.
• IQ Shield Screen Protector.
• Skinomi Tech Skin Transparent Screen Protector.
• Bisen Tempered Glass Screen Protector.
• ILLUMI Aqua Shield Screen Protector.
• LK Screen Protector.

And if you apply a glass screen protector, it will also probably have an oleophobic coating. The coating not only affects how your device looks, but also how it feels. As the coating wears away, fingerprints tend to hang around longer and require a more thorough cleaning.

11D Big Curved Edge Full Glue, Clarity and High-Response Touch Preserve, Fast exhaust, 9H hardness for maximum protection, Ultra thin but strong hardness, This tempered glass screen protector is chemical processed real glass, it features high transparency, high sensitivity and delicate touch feeling.

several methods to discriminate glass film!

1. Anti-scratch strength. A good glass film can withstand blades, scissors, keys and other hard, sharp objects above the ground scraping.
2. Smooth feel.
3. The size of the fit.
4. Anti-fingerprint and Anti-oil.
5. Shatter-proof.

An oleophobic coating is an oil repellent coating. This means that it does not allow oil to absorb. They are used to coat medical tubing, endoscope lenses, surgical visors and shields. More recently, oleophobic coatings are being used extensively to make smudge resistant touch screens for smartphones and tablets.

The oleophobic coating provided by JNS Glass & Coatings repels oils, makes the glass easy-to-clean, reduces the visibility of fingerprinting and provides a non-smudge surface. Adding an oleophobic coating to the glass drastically improves scratch resistance and reduces surface friction.