The present invention relates to a refill (10) for an appliance, notably a hair-shaping appliance, the refill comprising a fixing means able to collaborate with a complimentary member belonging to a receiving structure of the appliance, the fixing means of the refill comprising two profile elements (14, 15) able to engage in an insertion guide of the receiving structure and between them defining a space in which one or more members of the appliance are able to engage.