A self-assessment device comprising an series of rough patches which may be contacted by the user and compared with the roughness of a hair sample in order to provide an indication to the user as to the relative state of the hair sample. A kit comprising a hair care composition and a self-assessment device as described above. A package for a hair care composition comprising a device as described in any preceding claim. A method for assessing the state of hair by contacting a hair sample and then contacting one or more rough patches on a device according to any of claims 1-6 and then concluding as to which of the rough patches has the most similar roughness to the hair sample.
