Can teeth whitening gel go out of date?
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Can teeth whitening gel go out of date?
Whitening gel’s main ingredient for whitening is hydrogen peroxide. 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
Do teeth whitening systems expire?
Most teeth whitening agents are good for approximately a year after it they have been manufactured. It is possible that your dentist gave it to you very shortly after receiving it from the manufacturer. However, it is possible that it may have been at the dentist office for some time.
How long before Opalescence expires?
ProductAmount of HP or CPShelf LifeOpalescence PF Gels, 35%35% Carbamide PeroxideRefrigerated: 24 months Unrefrigerated: 12 monthsOpalescence Boost, 40%40% Hydrogen PeroxideRefrigerated: 18 months Unrefrigerated: 9 months5 more rows
How long does teeth whitening gel stay good for?
Most teeth whitening agents are good for approximately a year after it they have been manufactured. It is possible that your dentist gave it to you very shortly after receiving it from the manufacturer. However, it is possible that it may have been at the dentist office for some time.