Bielenda Neuro Collagen Anti-Aging Serum, Rejuvenating, Day/Night, 30ml is an advanced anti-aging formula designed for mature skin 40+ and sensitive skin. This day and night serum leverages Neuro Rejuvenation technology, using Neuropeptides to inhibit wrinkle-causing nerve impulses for visibly smoother, firmer skin. With consistent use, it reduces the depth and length of wrinkles and fine lines, while enhancing skin elasticity and providing a lifted appearance. The lightweight, fast-absorbing formula is ideal for use alone or as a priming layer under other products from the Neuro Collagen line. It’s a perfect choice for those seeking a high-performance, rejuvenating serum.