Crest 3D Whitestrips Age Renew delivers professional-grade whitening results in a convenient at-home format. This comprehensive 42-strip kit targets stubborn, accumulated stains from years of coffee, wine, and tobacco exposure, visibly brightening your smile within 21 days. The formula utilizes the same enamel-safe whitening agent trusted by dental professionals, ensuring effective results without compromising tooth integrity. Advanced Seal™ Technology provides a secure, no-slip grip that allows you to maintain your daily routine—talk, drink water, and move freely—while the strips work. Ideal for those seeking to restore a younger, more luminous appearance to their smile.