Crest Whitestrips Supreme has 100mg of gel with 14% hydrogen peroxide = 14mg of hydrogen peroxide per upper strip. Crest Whitestrips Professional has 200mg of gel with 6.5% hydrogen peroxide per upper strip. Crest Whitestrips Supreme is the most effective of the Crest Whitening Strips.
Whitens teeth as well as a $500 professional teeth whitening treatment.*Satisfaction guaranteed.*vs. laser.
Removes 14 years of stains.
Whitens 25X better than a leading teeth whitening toothpaste.* *When toothpaste is used for 4 weeks.
Removes years of stains in just 1 hour.
Removes tough coffee, wine and smoking stains.
Gently removes years of stains for teeth sensitive to whitening