ReNeura Technology, this retinol serum supports skin’s self-restoring power to improve the appearance of wrinkles and skin’s resilience in just 1 week.*. Retinol encapsulation technology gently releases pure, fresh retinol upon contact to ensure effective, superior delivery for visibly diminishing and preventing wrinkles.*Tested by 34 women. Visibly improve wrinkles and resilience in just 1 week**Tested by 34 women. DERMATOLOGIST-TESTED How To Use: Visibly improve wrinkles and resilience in just 1 week**Tested by 34 women. DERMATOLOGIST-TESTED Benefits: Primary Technology • Delivers fresh, pure retinol into the skin, which has the superior effect of visibly diminishing and preventing the appearance of wrinkles.  • ReNeura Technology+™ features Natsume and Active Response Powder Ashitaba to help improve skin receptivity to awaken and maintain the effectiveness of your treatment over time. Secondary  Technology • Core Spring Complex: comprised of Ginseng Extract, Gambir Extract, and Hydroxyproline visibly promotes firmness, resilience on the skin. • KOMBU-Bounce Complex: Formulated with green, brown, and red algae which helps address the look of wrinkles.