ZO Skin Health and Dr. Obagi have no business relationship with Obagi Medical Products, and Obagi Medical Products does not sell or endorse using any ZO product. Obagi Medical Products, Inc. does not endorse the views expressed by ZO® or Dr. Obagi on this website as they relate to the use of Nu-Derm® or other Obagi® Medical products with or instead of ZO® Skin Health products. ‘ZO’ is a registered trademark of ZO Skin Health, Inc. ‘Obagi’ and ‘Obagi Nu-Derm’ are registered trademarks of Obagi Medical Products, Inc.