This paper analyses the implementation of Augmented Reality (AR) in e-commerce, exploring the technologies used, the benefits for consumers and retailers, and the challenges faced. Through a systematic review of recent scientific literature, the study examines the evolution of AR technologies applied to e-commerce, with emphasis on frameworks such as ARKit, ARCore and WebXR. The benefits of AR in improving user experience, reducing return rates and increasing engagement are analyzed. The paper focuses mainly on the main challenges, including technical barriers, privacy and accessibility. The analysis aims to provide a comprehensive understanding of the trends and impacts of AR in contemporary digital commerce.