C-Serum®, short for cytoserum, is our special Laminaria Digitata filtrate, a Seaweed extract rich with 12 vitamins and minerals, 42 trace elements, and 18 amino acids, as well as phlorotannins, and antioxidants. C-Serum® is the first step of our world-renown Four-Layer Facial® —
12 Vitamins, 18 Amino Acids and 42 Trace Elements and Minerals