Since this pack comes with three pens, you can keep one in the bathroom, one in your purse and one at work for any time ...

But whitening your teeth doesn't ... in the overall yellowness of my teeth. I do love how the strips gradually dissolve, so I head to work and emerge from the underground with a brighter smile.

Currently, you can achieve this for under £1 per day with Dr. Dent's Professional Teeth Whitening Strips, which are now ... "They seem to work temporarily but not for long term results".

Best of all, these whitening strips are enamel-safe, dentist-recommended and super affordable! Shop the New Year Amazon deal below before it sells out. Simply apply the Crest 3D whitening strips ...