The duration for which Crest Whitestrips should remain adhered to the teeth is a critical factor in achieving optimal whitening results while minimizing potential sensitivity. This application time is determined by the specific product formulation and is generally indicated in the product’s instructions. Exceeding the recommended duration may increase the risk of tooth sensitivity or gum irritation, while insufficient application may result in less noticeable whitening.
Adhering to the prescribed application time is essential for both efficacy and safety. The active whitening agents, typically hydrogen peroxide or carbamide peroxide, require a specific contact period to effectively penetrate the enamel and break down stain molecules. Furthermore, understanding the recommended duration and following it diligently contributes to consumer satisfaction and minimizes the possibility of adverse effects. Early Crest Whitestrip formulations sometimes involved longer application periods compared to more recent, advanced versions designed for shorter wear times and increased user comfort.