The ornamental design for a porecleansingbrush, as shown and described.
FIG. 1 is a front perspective view of a pore cleansing brush in accordance with a preferred embodiment of our design;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a rear elevational view thereof;
FIG. 4 is a left side elevational view thereof, a right side elevational view thereof being a mirror image;
FIG. 5 is a top plan view thereof; and,
FIG. 6 is a bottom plan view thereof.
The broken lines in the figures are for the purpose of showing environmental structure, are for illustrative purposes only, and form no part of the claimed design.