C-Serum® Seaweed Filtrate Serum

Vitamin & Mineral-Rich Serum for Well-Hydrated, Glowing Skin

Dryness, dullness, or rough texture? This premier daily serum for all skin types delivers an intensive, lightweight, oil-free concentrate of our exclusive, sustainably harvested Laminaria Digitata Seaweed filtrate to help replenish moisture, smooth the look and feel of skin, and boost radiance.

Powered by seaweed naturally rich in 12 vitamins & minerals, 42 trace elements, and 18 amino acids—plus phlorotannins and antioxidants—it helps skin look softer, bouncier, and more luminous. Wear it alone for fast-absorbing hydration or layer under moisturizer to amplify comfort and glow.

Dermatologist tested. The essential first step in our world-renowned Four-Layer Facial® routine.