Elastin fibers 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, wrinkles become more apparent. The 1st technology from L'Oreal specially developed to help boost the skin's own 8 natural firmers. It reduces the appearance of wrinkles and improves skin's firmness. L'Oreal Revitalift Anti- Wrinkle + Firming Night cream for younger-looking skin. Intensive action moisturizer, enriched with Pro-Retinol A and Elasti- Flex, helps to improve skin firmness and ability to bounce back. Wrinkles appear visibly reduced, skin feels firmer, more bouncy, and resilient. At night, Revitalift Night cream stimulates skin cell regeneration. The L'Oreal Paris Expertise, Elasti-flex, an exclusive technology, stimulates and reinforces the elastin support network. The formula improves skin firmness and bounces back. Pro-Retinol A, a powerful anti-wrinkle ingredient known to stimulate skin cell renewal hence wrinkles reduce.