Hi Ellie,
Pricing varies according to which system is used! You can have some cheap options and some pricey options. The key to whitening is long term exposure to the whitening gel.
Laser or power whitening can give a reasonable short term result but the long term stability is somewhat questionable due to little follow up. Personally I use a combination of disposable trays which have a very concentrated gel and custom made trays for a long term result. I have taught my technician a very specific method to make the custom made trays to enhance the treatment further.
The bottom line answer to your question is whitening ranges from £100-£900 with the average being in the region of £350-£550. I offer 3 different systems ranging from £200-£700 depending on the result required
Hope this makes sense!
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