Customer feedback plays a pivotal role in UX design by providing valuable insights into user preferences, pain points, and overall satisfaction. Through various channels, such as surveys or usability tests, feedback helps designers identify areas needing improvement and informs iterations of a product. Incorporating this feedback enhances user experience, leading to higher retention rates and customer loyalty. Ultimately, a user-centered approach to design ensures that products not only meet functional requirements but also resonate with users on a deeper level.