A packaging and dispensing device includes a container holding a first product, and a closure capsule including a base part configured to detachably close off the container. The device includes a recess defined in a mobile part of the closure capsule, this recess containing a second product. An opening in the recess is closed off by a cap, such that the mobile part can assume, relative to the base part, a closed position wherein the cap is rendered inaccessible by the base part, and an open position wherein the cap is accessible.