Does Teeth Whitening Gel Expire? (2024)

FAQs

Does Teeth Whitening Gel Expire? ›

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.

Don'tUse Expired Products

Using expired whitening products means you won't get the results youwant. When they expire, the hydrogen peroxide in them breaks down and leavesonly water and oxygen, which won't brighten your teeth.

As the whitening agent in the gel deteriorates over time, its effectiveness diminishes. This means that expired strips may not be as potent in removing stains, resulting in a less noticeable improvement in tooth color.

Both gel will remain effective for 1 year (if stored at room temperature) and 2 years (if refrigerated).

How long should each syringe of whitening last? Each syringe of Boutique Whitening should last around 5 days when whitening the upper and lower teeth. If you use too much gel, it may leak, causing sensitivity owing to irritation of the gums. If you use too little, the teeth may not whiten very well.

The Dangers of Outdated Styling Products. Expired styling products like hair gels and mousses can leave residue on your hair, making it feel greasy or sticky. In worst cases, an expired gel can cause scalp inflammation or hair breakage.

The downside of this chemical instability is that all whitening gels start degenerating immediately after manufacture if not kept under constant refrigeration. The higher the temperature, the greater the degradation process.

Although teeth whitening is not permanent, it can last for many years. In-office whitening treatments typically last up to 3 years; professional at-home whitening treatment is less long lasting, but it results in much longer-term results than over-the-counter whitening treatments, toothpastes, and whitening strips.

Is Expired Toothpaste Safe To Use? While expired toothpaste won't hurt you, it also won't help you. After its expiration date has passed, the fluoride within your toothpaste will be less effective in cleaning your teeth and preventing decay and cavities, so it's best to buy a fresh tube.

The good news is that there are safe and effective alternatives, without the use of a light. Truly, the only effective way to whiten teeth with the least risk of sensitivity and shade relapse is through prolonged exposure to pH stable and optimized active whitening agents on the tooth's surface.

Does Crest whitening gel expire? ›

Our Crest Whitening Emulsions have a shelf life of 2 years.

In the case that you experience sensitivity, do not increase whitening time. Do not exceed a treatment time of more than 1 hour a day. We recommend you whiten only once per day. Remove the trays from your mouth and brush your teeth to remove any remaining gel.

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.

Shelf life is 1 year un-refrigerated and 2 years refrigerated. These are general recommendations and may vary between manufacturers. Please read the manufacturer's instructions. Use only in accordance with these instructions.

Over whitening your teeth can cause them to become translucent, making the yellowish colour of your dentin more visible. It can also make your teeth look blue or grey. To avoid this occurrence, talk to your dentist about how often you should whiten your teeth and what concentration of bleaching agent is right for you.

Do not use Orajel Mouth Gel after the expiry date which is stated on the pack. Orajel Mouth Gel contains 10% w/w of benzocaine as the active ingredient.

When whitening strips age, the active chemicals may no longer function as well as they should, resulting in less whitening. Expired whitening strips can cause dental sensitivity and gum inflammation. This is because the gel's makeup or potency may have altered over time, making it more acidic or abrasive.