Heenan Law Firm Investigates Potential Consumer Claim against Nivea My Silhouette! Posted on September 1, 2011 at 10:21 am. Written by John Heenan Heenan Law Firm Investigates Potential Consumer Claim that Nivea Skin Cream Can Help People “Slim Down”. If you used Nivea My Silhouette! skin cream in response to television or internet claims it would help you “slim down,” you may be …