Obagi Elastiderm Neck and Decollete ConcentrateELASTIDERM Neck and Dcollet Concentrate is a powerful, targeted treatment designed to improve the appearance of ageing skin on the neck and dcollet. Suitable for all skin types, it helps support firmer, more resilient looking skin while addressing common concerns such as lines, crepiness, and loss of elasticity. This advanced formula combines patented Bi Mineral Contour Complex, a smoothing Retinoid, and brightening Alpha Arbutin to target multiple