Incredibly effective, and surprisingly inexpensive.
This is dentist-standard whitening, and I only spent £10. I used the whitening pen two years ago and at the staff Christmas party I got compliments on how white my teeth looked. I forgot to use it, though, and lost it. Then, I decided to repurchase since my coffee addiction has taken a toll on my teeth and after a week of morning and night time usage I can't stop smiling at myself in the mirror. I don't usually leave reviews but someone had to know about this absolute bargain which has really improved my self esteem.





