Medik8 C-Tetra – Lipid 7% Vitamin C Radiance Serum – Smoothing, Brightening & Nourishing – Perfect For New Vitamin C Users or Sensitive Skin – 30ml
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Original price was: £38.30.£31.92Current price is: £31.92.
Price: £38.30 - £31.92
(as of May 16, 2025 20:34:42 UTC – Details)
From the brand
Results Without Compromise
B Corp certified, Medik8, is a British dermatological skincare brand, globally renowned for age-defying heroes that deliver results without compromise. Clinically proven, our simple CSA PhilosophyⓇ of vitamin C plus sunscreen by day, and vitamin A (retinoids) by night addresses 90% of anti-ageing skincare needs for more youthful-looking skin.
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Clinically Proven Results
We truly pride ourselves on the visible skincare results our customers achieve. It’s down to our choice of the best professional grade active ingredients expertly crafted into beautiful to use products – all without needing a prescription. Clinically proven via independent studies, robustly researched and rigorously tested.
Dermatologist Recommended
”Medik8 combines medical-grade efficacy with cutting-edge skincare innovation.’’ Dr. Ewoma Ukeleghe, Medical & Cosmetics Doctor
Meticulously Made by Us in the UK
We craft and manufacture virtually everything ourselves from our own ISO-certified Innovation Centre, just outside London, UK. Harnessing the highest quality ingredients alongside patented technologies, means you can be assured of consistent UK standards of excellence in every product.
Patented Technologies
From the Experts in Vitamin A
Our Founders’ Story
Founded in 2009 by UK scientists and brothers, Elliot & Daniel Isaacs, Medik8 is renowned for skincare innovations.
B Corp Certified
B Corp Certified Medik8 is proud to be 1 of only 66 beauty manufacturers worldwide with this esteemed social and environmental impact certification. When you buy Medik8, you can be assured you’re not compromising on sustainability values like helping to reduce carbon, plastic waste or prioritising renewable energy.
Batteries : 1 A batteries required.
Is discontinued by manufacturer : No
Product Dimensions : 2.6 x 5.1 x 11.6 cm; 90 g
Manufacturer : Medik8
ASIN : B07GFS6WXH
Item model number : P06227
Country of origin : United Kingdom
INCREASED SKIN YOUTHFULNESS – 7% Stabilised Vitamin C (tetrahexyldecyl ascorbate), formulated to simultaneously smooth the look of fine lines and wrinkles while visibly boosting skin glow and radiance.
BRIGHTER, MORE EVEN COMPLEXION – Visibly brightens the skin tone, for a more even and healthy-looking skin appearance. Contains tetrahexyldecyl ascorbate – an effective, stabilised, and low-irritation form of vitamin C
LIGHTWEIGHT NOURISHMENT – This jojaba seed oil-based formula delivers effective yet non-greasy nourishment for visibly softer and comforted skin.
HOW TO USE – Step 1: After cleansing in the morning, massage 4 drops across the face, neck and décolletage. Step 2: Leave to absorb before applying sunscreen.
COMPLETE YOUR REGIME – For maximum age-defying results, we especially recommend using this product as part of our pioneering CSA Philosophy; vitamin C plus sunscreen by day, vitamin A by night.
Customers say
Customers find this vitamin C serum brightens and softens skin, with one noting it’s easy to incorporate into their daily routine. The product absorbs quickly, has a pleasant smell, and customers consider it good value, with one mentioning it lasts for months. They appreciate its quality, with one describing it as a tried and trusted brand, and report positive effects on their skin, with one noting reduced redness and blotchiness.

Original price was: £38.30.£31.92Current price is: £31.92.