Dermalogica Pro-Collagen Banking Serum Dermalogica's Pro-Collagen Banking Serum helps to futureproof skin by preserving its existing collagen and protecting it against the signs of premature aging. This formula supports more resilient, luminous, and visibly plumper skin while reducing the appearance of future fine lines and wrinkles. Brand New! In box! FRESH Please note: product has been tested just a few times. Still a full size bottle