There are a lot of seriously good deals going on lately. Today’s deal is brought to you by Groupon, who is currently selling Clarisonic-compatible replacement brush heads at a serious discount. Those of you who use the Clarisonic know that the replacement heads don’t come cheap ($25 each!). This Groupon deal is offering a two-pack for $9.99! As you know, Groupon deals don’t last forever so take advantage while you can and stock up!