Lipid Vitamin C Radiance Serum


Lipid Vitamin C Radiance Serum

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1 in stock

Harness the anti-ageing and brightening power of our original C-Tetra® facial serum in an ultra-gentle, yet effective treatment designed for the delicate eye area.



Lightweight and fast-absorbing, this powerful serum smoothes fine lines and wrinkles around the eye area for an awakened and rejuvenated appearance.



Eyes are left revitalised and youthful-looking.



Tetrahexyldecyl Ascorbate & Vitamin E

Delivery Options

Standard Delivery
£3.75 or FREE on orders over £35. Please allow 3-5 working days for delivery.


Priority Delivery
£4.95 or FREE on orders over £100. Next-Day delivery when you order before 6pm Monday to Friday (Excluding bank holidays) Shipped by DPD

Key Benefits

Revitalise Eyes
Our eyes are often the first area to show signs of ageing and loss of vitality. Revitalise and smooth the delicate eye area with this brightening vitamin C serum.


100% stable and deeply hydrating, the formula is perfectly gentle to be used around the eyes, sinking in rapidly to leave your eyes refreshed and energised.


Antioxidant Power
Vitamin C and vitamin E work together to boost their overall power, while recharging each other to ensure that every last drop of the formula is a powerful as the first.


Enhance Your Morning Regime
With an uplifting natural citrus aroma, C-Tetra® Eye is the perfect way to kick-start your morning skincare regime and combat premature signs of ageing.

How It Works

Your skin is packed full of natural antioxidants that defend against free radicals from the environment. When these environmental free radicals outweigh your antioxidants, they can no longer protect the skin. Free radicals latch onto the defenceless skin cells, causing irreparable damage, which ultimately leads to premature ageing.


C-Tetra Luxe offers optimum skin protection from free radical damage, featuring elevated levels of vitamin C to boost the natural antioxidant defence levels in the skin. Vitamin C is a key pillar of our CSA Philosophy, due to being one of the most powerful vitamins for preventing the signs of premature skin ageing. Vitamin C also helps to stimulate collagen production, and can disrupt the overproduction of melanin to brighten the appearance of dark spots and uneven skin tone. The result? Visibly radiant, healthier, more youthful-looking skin. C-Tetra contains an enhanced level of tetrahexyldecyl ascorbate, a form of vitamin C which is a stabilised modification of ascorbic acid (the purest form of vitamin C) that is gentle on the skin yet proven to deliver visible results. C-Tetra Luxe has double the level of tetrahexyldecyl ascorbate found in the original C-Tetra serum, for improved visible results.


C-Tetra Eye contains tetrahexyldecyl ascorbate, a super-stable form of vitamin C that boosts the antioxidant defence levels around the delicate eye area. Ever the multi-tasker, it also stimulates collagen production to reduce the appearance of fine lines, wrinkles and crow’s feet, leaving the under-eyes youthful and awakened


As a lipid-soluble form of vitamin C, tetrahexyldecyl ascorbate is able to penetrate the skin’s defensive lipid barrier with ease, delivering benefits deep within the skin.


Vitamin C and vitamin E work synergistically as ‘network antioxidants’, boosting the serum’s overall antioxidant effect to keep skin protected throughout the day.

How To Use

After cleansing in the morning, use the spatula-style applicator to sweep a small amount of C-Tetra Eye across the under-eye and brow bone, avoiding eyelids.


Gently blend.


Patch testing prior to use is advised. Refer to medik8.co/patch for an in-depth guide to patch testing.


??? ?Tetrahexyldecyl Ascorbate

A lipid-soluble form of vitamin C that provides exceptional antioxidant protection from harmful free radicals, while stimulating collagen production for a youthful complexion.


??? ?Vitamin E

A lipid-soluble antioxidant that is naturally present in the skin. Vitamin E protects the skin from free radicals and is regenerated by vitamin C for optimum power.


Full Ingredients


What we choose not to include



Used in Professional Treatments

Boost the results of C-Tetra® Eye
Visit a Medik8 specialist for a detailed skin consultation and experience one of our targeted treatments for the face and the delicate eye area.


Eye Reveal Professional Skin Peel
An ultra-gentle yet effective solution to target signs of ageing around the delicate eye area.


Get a consultation

The Science Behind

“The delicate eye area can be up to 40% thinner than the rest of the face. This means that the eye area can be the first place to show signs of age. C-Tetra Eye contains an super-stable vitamin C derivative to stimulate collagen production to plump out fine lines and wrinkles, while protecting the delicate skin from further sun damage. The result is bright, youthful-looking under-eyes.”


Daniel Isaacs, Medik8 Director of Research





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