The Colgate Whitening Pen is one of the most convenient whitening solutions available. This 5* rated product comes handily stored inside the Colgate Optic White Toothbrush, meaning that you never have to worry about losing your whitening pen again (view on Amazon).
It is no secret that whiter teeth can have huge benefits. Not only do they boost youthfulness, but they can also improve confidence. And, of course, the result is a great looking smile. All of this has brought teeth whitening into the spotlight in recent years, with it becoming the most sought after cosmetic procedure in the US.
However, this isn’t a reason to worry, as we have summarised the evidence surrounding the Colgate Whitening Pen in this review.