Medik8 C-Tetra 30ml

Special Price £28.80 Regular Price £35.00

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Restore radiance and fight visible signs of ageing with C-Tetra, a super-light daily vitamin C serum. Antioxidant power is provided through vitamin C and E. Together, these actives help to combat sun and pollution-induced damage.

The lightweight, uplifting formula stimulates the production of collagen and elastin to help reduce fine lines and wrinkles, as well as visibly brightening the complexion and balancing skin tone. Using a lipid-soluble form of vitamin C called tetrahexyldecyl ascorbate, the formula penetrates deep into skin to provide powerful antioxidant protection with minimal irritation. C-Tetra has been carefully crafted in a water-free formula to be 100% stable, which means that the vitamin C does not degrade over time. This ensures that your formula remains highly potent from the very first use to the final drop.

Formulated with nourishing, pampering oils combined with the anti-ageing power of vitamin C, this fast-absorbing vitamin C serum is ideal for those looking for skin rejuvenation. Perfect for those who are new to vitamin C, or are looking to upgrade from C-Tetra Cream or Daily Radiance Vitamin C.


  • No artificial fragrance
  • No synthetic colours
  • Paraben free
  • No phthalates
  • Palm oil free
  • Alcohol free
  • Vegan friendly
  • Cruelty free


  • After cleansing in the morning, massage 4 drops across the face, neck and décolletage.
  • Leave to absorb before applying moisturiser.


Simmondsia Chinensis (Jojoba) Seed Oil, Cyclopentasiloxane, Cyclohexasiloxane, Tetrahexyldecyl Ascorbate, Tocopheryl Acetate, PPG-12/SMDI Copolymer, Citrus Grandis (Grapefruit) Peel Oil, Limonene.

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IngredientsSimmondsia Chinensis Oil, Tetrahexyldecyl Ascorbate, Cyclopentasiloxane, Cyclohexasiloxane, PPG-12/SMDI Copolymer, Tocopherol (d-Alpha)
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You're reviewing:Medik8 C-Tetra 30ml
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4.20 Average

5 Reviews

lisa l

This was recommended by a blogger on you tube that I follow so I decided to give it a go and I really love it. I buy a lot of products and would definitely recommend this one. It has made my skin look clearer and brighter and I have broken out in spots which I have with other vitamin C products. I will buy this again.


Love this product, be n using for years, good price and efficient service


This is my second bottle, I do notice a difference in my skin, my complexion looks a lot healthier when I use this, I look forward to putting this on my skin morning and evening. Medik 8 do higher strength in Vitamin C but its quite expensive, this strength works for me just fine !

Nicola G

Love this! I mever understood what people meant when they said the texture of their skin improved when using vit C but finally I get it - after only a couple of days use, my skin became softer and smoother. I've been using this every morning with Medik8's retinol of an evening and my skin has almost cleared completely of blemishes. I bought the serum as I like to mix up my moisturisers but alwats want a good dose of vit C. Im a very happy customer and will continue to buy.

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