IS CLINICAL Youth Serum is designed to give skin the best of both worlds: immediate and long-term visible results. Immediate results come from advanced technologies that support healthy skin structures and instantly diminish the appearance of fine lines for a visibly firmed complexion. Meanwhile, Youth Serum?s safe, bio-identical growth factors help to visibly reduce fine lines and wrinkles long-term. Our patented Extremozyme technology combined with a powerful blend of antioxidants provides support against environmental stressors. The result is a more youthful, vibrant, and resilient complexion.