Review (5/5): Not all that effective but my boy loves it.
Pro:
My cat adores this thing. He bugs me to brush him with it every night. He tries to climb onto my nightstand to remind me.
Con: it doesn’t hold a candle to the amount of hair I get off him using my Hartz Groomer's Best Small Slicker Brush. The hair’s also much harder to get out of the brush than with the Hartz one.