Fuente: WIPO "essential oil or extracts" A massaging applicator device for applying topical oils to an individual, such as a person or creature, and methods of applying topical oils are disclosed. Some embodiments of an exemplary massaging applicator device may include an applicator body containing a vibration assembly. A roller ball foot is coupled to the applicator body. The roller ball foot houses a roller ball. A container is selectively coupled to the roller ball foot and is configured to hold a topical oil. A flow switch is disposed between the container and the roller ball to selectively control flow of topical oil from the container to the roller ball.