Crest 3D White Whitestrips Professional Effects

Achieve professional-level teeth whitening results without the professional price tag
No. 1 Dentist recommended at home whitening kit
Enamel Safe
18 Levels Whiter in just 20 Days
Features
Professional Effects is designed to whiten like a professional-level teeth whitening treatment at-home.
This pack includes 40 teeth whitening strips, 20 for your top teeth and 20 for your bottom teeth, to be used over the course of 20 days.

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. WEAR FOR 45 MINUTES.