The present invention relates to a cosmetic composition for dyeing keratin fibres, in particular human keratin fibres such as the hair, comprising, in a suitable dyeing medium, at least one hydroxyalkyl compound of general formula below:and at least one cosmetic adjuvant according to the invention. In one embodiment, a receiving apparatus generally comprises a detector, an indicator, and a decision device. The refractory inorganic oxide layer can be alumina, zirconia, titania, etc. The recesses are adapted to be engaged with a plurality of rearwardly sloping nibs disposed on one end of a nose secured to an installation tool.