By definition, skin without moisture is not healthy skin; hydration is essential for function and repair. As a regimen supplement, Cellular Repair Serum is a moisture-packed–but never greasy–superpower that plumps up fine lines and surface texture that have been craving long-lasting hydration. 1 fl. oz. For all types experiencing dehydration. Efficient and long-lasting, this water-holding, hyaluronic acid-powered serum hydrates away the fine lines and textural irregularities due to transepidermal water loss. Plumps up fine lines and surface texture.