Advantages worked for me, improved colour by 3 or so shades, instant and easy to use
Disadvantages slightly chemical taste, doesn't whiten teeth over time
I am always on the look out for quick fixes to get white teeth and although my teeth aren't stained as such, they are a little discoloured and I know they are not as white as what they could be. I came across this in Boots the other day where it cost around £9 and rather than buying it I decided to come home and check out some reviews on it first, which I have to say weren't too positive ad many people had given this product just one out of the five stars. Though, when I saw the same product on eBay at £5 including postage which was almost half of its RRP I decided it may be worth a go! It ...