Hair tint (5)
'hair tint' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for rinse that I've seen before include "Wash - siren (anag)" , "Hair preparation" , "Remove soap with clean water" , "Swill out" , "blue one on top?" .)
(Other definitions for dye that I've seen before include "Tint" , "Liquid used to change colour of clothes" , "Hair colouring" , "Colouring liquid" , "Staining material" .)