C-Tetra® Serum


Lipid Vitamin C Antioxidant Serum

Low irritation Vitamin C formula.
20’s 30’s 40’s 50’s 60’s

Out of stock


A revolutionary, highly stable vitamin C serum to help combat sun-induced damage to the skin and maintain collagen production, increase the skin’s elasticity and density, as well as improve the skin’s texture and brighten the complexion. Contains a medium strength concentration of lipid soluble vitamin C for enhanced penetration and stability. This formula also contains vitamin E, which synergistically boosts the overall antioxidant effect. The level of vitamin C in C-Tetra is very well tolerated by people sensitive to vitamin C irritation and is also ideal for people in their 20’s and 30’s who are new to vitamin C skin care. The high stability means that the vitamin C does not degrade over time, making C-Tetra a highly potent serum which is safe to use.


  • Protects the skin from free radicals
  • Helps maintain levels of collagen and elastin
  • Helps to diminish pigmentation marks
  • Minimises signs of premature skin ageing

After cleansing in the morning, apply 4-6 drops directly onto the skin and blend evenly across whole facial area, neck and décolletage. Alternatively, place a drop on your finger and massage into the skin. Leave to absorb before applying your regular Medik8 hydrator.


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