Elastin fibres are essential to skin's elasticity: they are the skin's springs. From age 40, the number of these elastin fibers is reduced, and their network fragments. The skin becomes less firm and less elastic, wrinkless become more apparent. Elasti-flex, an exclusve technology,stimulates and reinforces the elastin support network. The formula improves skin firmness and bounce back.Recommended for age 40 to 50 years.