Teeth Whitening for under 18 is only legal in exceptional circumstances.
You can whiten your teeth at any age. Here is pictures of patient in their twenties, thirties, forties and fifties with exceptional results. We have had patient is their sixties and seventies getting rid of yellow teeth having loving the result.

Can I whiten my teeth?
If you have healthy teeth and gums and would like a brighter smile you can consider teeth whitening. If your teeth have yellow tones you will be pleased with the result.
When is teeth whitening not suitable?
1.Teeth whitening is not suitable if you are pregnant or breastfeeding.
2.Your have sensitive teeth
If you have sensitive teeth and gums, receding gums and/or defective restorations you should consult with your dentist to discuss if teeth whitening will be appropriate for you.
3.You have Fillings, crowns and other restorations.
Tooth-coloured fillings, crowns, veneers and bridges do not whiten. You will have to replace your old fillings after you have had your teeth whitened. You will have to wait at least 2-4 weeks after teeth whitening to replace restorations or crowns.
How white will my teeth be?
If you expect your teeth to be a new "blinding white" you may be disappointed with the results. After teeth whitening you can expect your teeth to be a slightly whiter color than the whites of your eyes.
Does teeth whitening ruin the enamel on your teeth?
Long exposure to bleaching agents can cause the enamel on teeth to be damaged, which is why it's important to whiten teeth after you have consulted your dentist.
Does tooth whitening cause sensitivity?
The most common side effect of teeth whitening is sensitivity afterwards, however this is usually mild and the professional treatment isn't painful at all. With the correct after-care this sensitivity can be minimised and controlled.

 20/20 Dental practice provide teeth whitening Newbury. We can help you to have a white smile!