Ensure that you follow recommended usage instructions on the packaging to get the optimal effect. If your teeth are significantly discolored, you may need to use 2 boxes of Crest 3DWhitestrips initially to get the desired result. However, if you are unsatisfied with your results, Crest.com offe...
Designed to whiten like a professional-level treatment, our enamel-safe 3DWhitestrips with LED Accelerator Light removes over 10 years of tough, set in stains.
Instructions USE ONCE A DAY FOR 30 MINUTES. 1. PEEL. Peel Whitestrips from backing liner. 2. APPLY. Using a mirror, apply gel side of strip to front teeth. Align straight edge of strip with gumline. Fold over teeth and press to secure. 3. SMILE. Peel from back of teeth first to ea...