LONG BEACH, Calif.--(BUSINESS WIRE)--Obagi Medical Products, Inc. (NASDAQ:OMPI) today reported net revenue for the first quarter ended March 31, 2010 increased 13.6% to $25.7 million, from $22.6 million in the first quarter of 2009. The increase was due primarily to improvements in the economy and willingness of consumers to spend in the aesthetics space, along with success of the Company’s promotional activities. Domestic and international sales represented approximately 85% and 15% of revenue, respectively.