C Tetra Antioxidant Vitamin C Serum Medik8 Bright skin starts with brilliant science. Our vitamin C serums are expertly formulated to deliver powerful antioxidant protection while supporting a visibly smoother, more radiant complexion. Pair with Medik8 Vitamin C C Tetra Lipid Vitamin C Radiance Serum SweetCare Myanmar (Burma) Medik8 C Tetra Serum 30 ml Amazon.com: Medik8 C Tetra Balancing Vitamin C Serum For Face Smooths Fine Lines and Wrinkles Face Serum with Squalane Vegan and Gluten Free 1.0 oz : Beauty & Personal Care