Obagi Medical ELASTIderm® Facial SerumELASTIderm Facial Serum with patented Bi Mineral Contour Complex helps support skin elasticity so it can bounce back from the signs of skin aging, resulting in firmer looking, more resilient skin. Key Ingredients Bi Mineral Contour Complex Bi Mineral Contour Complex is an advanced ingredient technology that harnesses zinc, copper and malonate. It was specifically designed to promote the three necessary stages of developing healthy elastin.