Amazon.ca Last update was on: December 5, 2025 8:52 am
- LASTS 6 MONTHS & BEYOND
- Use once a day for 30 minutes
- "Whitens 25x better than a leading teeth whitening toothpaste* *Full Whitestrips Kit vs. 4 weeks of toothpaste based on dollar share of sales from 4/25/2014 - 4/25/2015"
- Removes 10 years of tough set-in stains from coffee, wine and smoking.
- Advanced Seal Technology’s no slip grip stays put so you can talk and drink water while whitening teeth
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