A system that includes a styling tool configured to treat or shape a user's hair; and a client device configured to communicate with the styling tool and provide feedback to the user regarding a user's usage of the styling tool based at least in part on measured data captured by the styling tool. The styling tool may be a hairbrush that includes circuitry and/or sensors configured to detect one or more of sound, acceleration, force, rotation, hair humidity, and ambient temperature and humidity.