Abstract: A reusable and adjustable heat-insulating bonnet and a cape combination for use in hair treatment comprising: the bonnet having a heat reflecting inner layer and an outer layer made of a durable and flexible plastic material; a collar protector extending integrally from the lower part of the bonnet; the bonnet having a set of receptacles for receiving press studs located at the top of the cape so that the bonnet and the cape can be releasably attached together; the cape having sleeves located at the front so as to free up arm movement.