Crest Whitestrips use the same enamel-safe ingredient dental professionals use, so you get great results and whiter teeth easily, at home. Best of all, every Crest Whitestrips teeth whitening system provides you with a brighter, more beautiful smile.Product Features:

• Has 100mg of gel with 14%

Crest Whitestrips use the same enamel-safe ingredient dental professionals use, so you get great results and whiter teeth easily, at home. Best of all, every Crest Whitestrips teeth whitening system provides you with a brighter, more beautiful smile.Product Features:

• Has 100mg of gel with 14% hydrogen peroxide = 14mg of hydrogen peroxide per upper strip
• Most effective of the Crest Whitening Strips
• 43% better whitening than Professional Whitestrips
• Great way to do home whitening
• Use for 30 minutes once or twice a day, may cause sensitivity