This kit of Professional Crest Whitestrips contains enough strips for 84 tooth-whitening applications - 42 for upper teeth, 42 for lower teeth. This effective, new whitening system will give you whiter teeth for at least 6 months.

In addition to the new tooth whitening technology, the Professional Crest Whitestrips kit includes an extra soft Crest toothbrush and Crest Dual Action Whitening toothpaste.

How well do Professional Crest Whitestrips work?