Noticeable results vary by person, but most people start seeing results halfway through the regimen, with full results upon completion. If speed is a priority, try Crest 3D White Whitestrips Advanced Vivid or Professional Effects to start seeing results after 3 days.

How long does it take for whitening strips to work?

Your teeth should begin to look whiter within a few days of using the strips and the results should last at least 4 months.

Do Crest White Strips work immediately?

Q: How long does it take to see results from Crest Whitestrips? A: Crest 3D Whitestrips will produce noticeable whitening after 3 days. Full results can be expected in 20 days of use.