Does teeth whitening gel expire?
Yes, teeth whitening gel does expire. Here are some details:
- Teeth whitening gel typically has a shelf life of around 1-2 years.
- After this time, the effectiveness of the gel may decrease.
- Expired gel may not provide the desired results in whitening the teeth.
- It is important to check the expiration date on the packaging before using the gel.
- Using expired teeth whitening gel may also cause irritation or sensitivity in the teeth and gums.
