FIG. 1 is a front perspective view of a slidable hair retainer for a hair coloring apparatus showing my new design.
FIG. 2 is a left side view thereof.
FIG. 3 is a front view thereof.
FIG. 4 is a back view thereof.
FIG. 5 is a top view thereof; and,
FIG. 6 is a bottom view thereof.
The broken lines in the drawings are for illustrative purposes only and do not form part of the claimed design.