Crest 3D Whitestrips Professional Effects (44-count) offer a dentist-recommended solution for a whiter smile. Using enamel-safe hydrogen peroxide, these strips remove up to 14 years of stains in just 30 minutes daily over 22 days. The no-slip grip ensures easy application, providing noticeable results after 3 days and full results by day 22. Comfortable and effective, they’re perfect for achieving a radiant, confident smile without sensitivity. Includes 44 strips (22 treatments).