The present disclosure relates, in part, to an advertisement system that provides for the remarketing of products to a user within a social networking system. More specifically, the advertisement system can analyze a user's social networking profile, which can include information derived from user activity related to third-party content, to identify the user's interest in and/or association with a product previously marketed to the user. Using the user's social networking profile, the advertisement system can create a customized advertisement for the user for a product previously, marketed to the user and serve the customized advertisement to the user within the social networking system.