At first skeptical, then completely convinced

At first skeptical, then completely convinced

Crystal Smile Revolution tooth whitening pen. EU & UK approved whitening formula. Target spots on certain areas of the teeth. (Personal Care)
Buy at Amazon.com

Customer Review

I have advised some darker spots on my teeth and I was already by some to such a tooth whitening pens. The use of pens designed to be very easy and you can selectively brighten some points / small areas. For me, the effect was only after the 4. Application to the fore, but now you almost did not see the patch - only after close inspection.
The value for money is really 1A.

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