1 Moisturizes the upper skin layers.2 Blue Lagoon bl_m4 is powerful natural complex of patent-pending Blue Lagoon algae and silica extracts capable of strengthening the skin's natural barrier function, preventing UV-induced collagen degradation and stimulating production of collagen3. For maximum results the natural ingredients are encapsulated in chronobiological liposomes that penetrate the skin's layers.3 In-vitro and in-vivo tested on DNA level.