Disclosed herein is a composition comprising at least one fluorescent dye
and at least one insoluble polyorganosiloxane conditioning polymer,
processes using this composition, and a device.Further disclosed herein
is the use of compositions comprising at least one fluorescent dye and at
least one insoluble polyorganosiloxane conditioning polymer, for dyeing
human keratin materials, for example artificially dyed and/or pigmented
hair and dark skin, with a tightening effect.