Welcome to MerzDirect.com MerzDirect.com is the one stop shopping site for all your Merz healthcare products. Shop online for trusted brands like Mederma®, Aqua Glycolic®, and Appearex®. Also, be sure to check out our newest addition, Mederma®for Kids™. More product lines will be added soon, so check back to see the big changes happening at MerzDirect.com!