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C-Tetra vs Luxe
C-Tetra Ingredients
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C-Tetra Primary and Secondary
CSA Megamoment - The CSA Philosophy - PDP - C-Tetra Luxe ADUP CR6


Lipid Vitamin C Radiance Serum


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Medik8’s cult-favourite vitamin C serum, featuring stabilised vitamin C that is gentle on sensitive skins and vitamin C-beginners, yet effective in delivering visible brightening results.

Up to 6 months supply from a full size bottle (2 months' supply from a travel size).

A proven low- irritation formula, 96% of sensitive skins found C-Tetra to be gentle on their skin.*
Vitamin C minimises the appearance of fine lines and wrinkles over time, while helping to visibly balance and brighten the skin tone.
Tetrahexyldecyl Ascorbate (Vitamin C) & Vitamin E
  • Key Benefits
  • How It Works
  • How To Use
  • Ingredients
  • Used in Professional Treatments
  • The Science Behind


Restore radiance and fight visible signs of ageing with C-Tetra. Utilising the antioxidant power of vitamin C and E, the hydrating serums brighten and smooth the complexion, while fighting free radicals to reduce visible signs of ageing.