23 Levels Whiter in just 24 days.
Removes over 25 years of tough set-in stains
#1 Dentist recommended at-home teeth whitening brand
Uses the same whitening ingredient as dentists
Enamel Safe & Effective
Crest 3D Whitestrips, Professional Effects Plus, Teeth Whitening Strip Kit, 48 Strips (24 Count Pack)