Medik8

MEDIK8 C-TETRA® ADVANCED

Name: MEDIK8 C-TETRA® ADVANCED
Brand: Medik8
Price: 70.00 GBP
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£70.00 GBP

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Defend against premature skin ageing and achieve accelerated visible skin brightening.

With a next-generation combination of 20% vitamin C and cutting edge phyto exosomes that help shield and improve the skin's recovery from exposure to environmental stressors which can cause premature ageing.

Clinically proven to brighten skin and visibly improve wrinkles in 7 days^[1] with 0% barrier disruption^[1], C-Tetra Advanced is engineered for high-performance visible brightening, skin smoothing, and daily antioxidant defence.

This intelligent ingredient complex combines potent, stabilised 20% vitamin C with restorative phyto exosomes and omni-antioxidant acetyl zingerone to neutralise the ageing effects of free radicals.

The result? A high-performance, age-defying vitamin C serum that works smarter, not harsher.

KEY BENEFITS

Dramatic Skin Brightening

Clinically proven to visibly brighten skin and even tone in 7 days for a radiant, luminous complexion.^[1]
Enhanced Skin Barrier Support

Powerful phyto exosomes deliver replenishing bioactives to skin cells rapidly & effectively, ensuring 0% barrier disruption.^[1]
Premature Skin Ageing Defence

Shields skin from damaging free radicals, pollution, and daily environmental stressors to help defend against premature skin ageing.
Smooth & Even Complexion

Clinically proven to visibly improve skin smoothness and texture in 7 days, leaving a soft, polished finish.^[1]
Lightweight Finish
The fast-absorbing gel-serum texture hydrates, smooths, and primes, leaving skin instantly refreshed and ready for the day ahead.

Apply as part of your morning skincare routine. Massage 2-3 pumps across the face, neck and décolletage. Follow with moisturiser and always finish with sunscreen.

If you're new to C-Tetra Eye, we recommend a patch test at least 24 hours before first use. Learn how to patch test here.
- 20% Stabilised Vitamin C (Tetrahexyldecyl Ascorbate)
  
  A highly potent yet gentle form of vitamin C for dramatic skin brightening and powerful antioxidant protection against premature skin ageing.
- Phyto Exosomes
  
  Encapsulated by nature, our phyto exosomes intelligently deliver proteins, lipids, and messenger molecules to skin cells. Together, alongside our supercharged vitamin C, they help prevent & reduce premature skin ageing by supporting healthier-looking, more resilient skin.
- Acetyl Zingerone (pronounced ‘a-sea-tul’)
  
  A super-antioxidant that works synergistically with vitamin C, enhancing its efficacy while neutralising ageing free radicals and shielding skin from environmental stressors.
- Hyaluronic Acid
  
  Draws moisture into the skin to instantly plump and deeply hydrate for a soft, supple complexion.
- N-Acetyl Glucosamine (NAG)
  
  A barrier-supporting, gentle, skin-refiner that smooths the look of pores while helping to increase the skin’s own natural hyaluronic acid levels over time.
  
  C-Tetra® Advanced
  
  20% Vitamin C Gel-Serum With Phyto Exosomes
  
  Aqua (Water), Tetrahexyldecyl Ascorbate, Isododecane, Propanediol, Acetyl Glucosamine, Squalane, Tocopherol, Acetyl Zingerone, Camellia Sinensis (Green Tea) Leaf Vesicles, Hydroxyacetophenone, Sodium Hyaluronate, Cellulose, Avena Sativa (Oat) Kernel Extract, Glycerin, Hydroxyethyl Acrylate/Sodium Acryloyldimethyl Taurate Copolymer, Citrus Grandis (Grapefruit) Peel Oil, Sucrose Stearate, Tetrasodium Glutamate Diacetate, Ethylhexylglycerin, Acrylates/C10-30 Alkyl Acrylate Crosspolymer, Xanthan Gum, Sodium Benzoate, Cellulose Gum, 1,2-Hexanediol, Polysorbate 60, Sorbitan Isostearate, Citric Acid, Phenoxyethanol, Citral, Linalool, Limonene
  
  *Although we try our best to ensure this list of ingredients is accurate there may be product upgrades from time to time, or slight variants between different regions based on local laws, meaning the only definitive ingredient list is that which is printed on the product packaging.