
Opalescence teeth whitening expiration is a sensitive matter that is being asked about a lot lately, these products are one of the best and most stable on the market, and after a while, people start asking questions like: does Opalescence expire?
When it comes to whitening products shelf life, they are generally prepared with transit time in mind. Although Opalescence whitening expiration life generally depends on the conditions and how the product is treated and stored.
First, let’s talk a little bit about what is Opalescence.
It is the global leader in professional teeth whitening with more than 30 years of experience and over 100 million smiles whitened, it provide solutions to whiten your teeth at home or a teeth whitening kit if you want better and faster results.
The secret here is the consistency of the Opalescence gel, its distinctive thickness keeps the gel stuck in place to provide continued peroxide release to enter the enamel and do the job for excellent whitening results.
Does Opalescence Expire?

Yes they do expire, but note that Opalescence teeth whitening syringes have an expiration date on the side of the syringe which contains 1 letter and 3 numbers.
The letter on the side defines the lot number used for manufacturing goals and the three numbers define the expiration date where the first two numbers are the month, and the third number is the last number of the year.
You can’t use an expired teeth whitening gel, because first, it will affect your health and may cause you si-some serious issues, and second, the chemicals in the gel will lose their value and will do you nothing in fact, it will only negatively affect your health.
How To Tell If Whitening Gel Is Expired?
The majority of teeth whitening products are safe to use for around one year starting from the day they have been manufactured on.
Usually, It is possible that your dentist provided you with the teeth whitener very soon after receiving it from the factory. However, in some cases, it is possible that it may have been at the office for a long time time.
Now If the dentist kept it in the refrigerator, then the efficacy of the product may be lengthened.
You should know that if the gel is exposed to light it will affect the level of effectiveness to whiten your teeth, so when you open the product, carefully check the texture of the gel. whether it is foggy/white,if so, then it is kept for too long.
It probably is still safe for use, but, you can’t expect the best results from it as the chemicals will lose their value.
What Happens If You Use Expired Whitening Gel?
Using an expired whitening gel is like smashing water, it won’t do you anything and you will not notice any results, because the hydrogen peroxide in them will vanish and the only thing left is water and oxygen which will cause zero effects on your teeth.
Can Opalescence damage teeth?
Unlike what people are saying about it, according to the experiments that are done by a group of specialists, all four Opalescence products will cause damage to your enamel, the experiments show that the bigger damage was caused by 10% carbamide peroxide and 20% carbamide peroxide products.
How long does opalescence last?
A common question most patients ask when going for this product is how long they can expect their teeth to stay bright.
Typically for the majority of patients, the results of Opalescence Boost – a one-hour in-office treatment – generally last from 6 to 12 months which is a great period of time.
How often should you whiten your teeth with Opalescence?
You can whiten your teeth for 7 to 10 days two times per day in 1-2 hours
In conclusion, the answer to the question: does Opalescence expire is yes, however, the Opalescence whitening expiration date can go up to 1 year which is long enough to use it but remember to check it before use because sometimes it can be refrigerated for a long time in the dentist’s office.