Can you still use expired teeth whitening gel?

Over time, hydrogen peroxide changes to water and oxygen. If you try and use a whitening kit after its expiration date, chances are you will only be getting gel and water as the oxygen will have leaked from the package. The oxygen is the key component for whitening your teeth.

How do you know if teeth whitening gel is expired?

It is very possible the gel is expired before you make the purchase. If your gel does not have an expiration date take a look at the substance, if it appears to be a foggy white it means it has been oxidized and is no longer effective (Harrison, 2011).

How long do teeth whitening gels last?

Some whitening gels can be left on for up to 8 hours at a time, which shortens the treatment period to 1 week. Laser whitening, also known as power whitening, is another type of teeth whitening system that a dentist can provide.

Does whitening kit expire?

The teeth whitening gel in your kit can expire and should not be used for more than 2 years after it has been purchased. This is because after 24 months, the active ingredients will not be as effective and the results will not be prominent.

Does Zoom whitening gel expire?

Answer: As per the manufacturer, Phillips says,”The phillips zoom whitening gel expiration dates are from 12 to 15 months.”

Does teeth whitening gel need to be refrigerated?

Teeth whitening products containing whitening gel can be refrigerated in order to prolong the shelf life of the product. If you decide to store it un-refrigerated it will last for about 1 year. It is very important that you keep it in the fridge and do not attempt to freeze it.

Should you keep teeth whitening gel in the fridge?

Store trays in the tray holder and gel in cool dry place away from heat and direct sunlight. The gel may be refrigerated to prolong the shelf life, but do not freeze. You may expect some slight gum sensitivity from wearing the trays, and your teeth may feel very slightly sensitive.

How long should a tube of teeth whitening last?

Each tube should last around three days. Although many patients find it lasts a day or two more. Especially if they are not whitening their posterior teeth.

Do you have to keep teeth whitening gel in the fridge?

Does whitening lose potency?

If left at room temperature or exposed to warmer climates and hot shipping temperatures, the peroxide gel will lose potency. Most whitening gel manufacturers will store their gels in warehouses, which are usually not air-conditioned, let alone refrigerated.

Can you put teeth whitening gel directly on teeth?

Don’t over think it. Keep in mind your only concerned about the front surface of your teeth which means there is no need to waste whitening gel on the back side. With that in mind use the gel sparingly and only apply it to the portion of the whitening tray that comes in contact with the front surface of your teeth.

Why did my whitening gel turn into liquid?

If the gel gets too hot, it will become liquid and will be unusable.

Can expired teeth whitening gel still whiten teeth?

If you look at the gel and it looks like it has a foggy colour to it, it has expired and become oxidised. At this point, it will have no effect on whitening your teeth.

How does teeth whitening gel work?

How does teeth whitening Gel work? The trays themselves don’t do any of the bleaching work–it’s the whitening gel, usually around a 22\% carbamide peroxide mixture, that seeps into your porous enamel and interacts with the discolored molecules in your teeth.

How much do teeth whitening trays cost?

The cost-saving of whitening trays with gel refills. The trays are simply a tool that delivers the gel to stains. Gel refills for your trays from your dentist usually run about $30 per 3 applications which means for $30 per year you can keep your teeth free of stains.

What happens to the inside of your teeth when you whiten?

The gel’s oxygen molecules break down the discolored bonds and spread throughout the inside of the tooth (Haywood, 2004). That’s why some customers complain about sensitivity for a few days after the whitening process–there’s a chemical change going on inside your teeth.