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Medik8 C Tetra Luxe 30ml


Supercharge your skin’s radiance each morning with C-Tetra Luxe; clinically proven to reduce the appearance of wrinkles and hyperpigmentation in just 4 weeks.*

It also works to boost visible radiance while supporting the skin barrier.

Featuring twice the amount of vitamin C (14%) of our original C-Tetra serum, C-Tetra Luxe is ideal for those looking for enhanced skin radiance and antioxidant protection alongside deep nourishment.

The velvety-soft serum is formulated with a stabilised (and therefore very potent) form of vitamin C called tetrahexyldecyl ascorbate (pronounced ‘tetra-hexul-deckul as-CORR-bate’), which delivers proven results after just 1 use*; all with a gentle, nourishing experience for your skin.

*Proven via independent clinical study on C-Tetra Luxe conducted over 4 weeks on 36 participants

SKU N/A Category Product ID: 26732


Helping to combat sun-induced damage to the skin and increase the skin’s elasticity & density.

Medik8 C-Tetra Luxe helps combat sun-induced damage to the skin, trigger collagen synthesis, increases the skin’s elasticity and density as well as improving the texture of the skin and its complexion.

Please note: Medik8 C-Tetra Luxe was previously known as Medik8 C-Tetra Intense, the product name and packaging has recently been updated.

Benefits of Medik8 C-Tetra Luxe:

  • Protects skin against oxidative stress, the main cause of photo-ageing
  • Adds a luminous glow to the skin, evens out skin tone & leaves it supple, bright & well hydrated
  • Helps stimulate collagen & elastin synthesis, causing the skin to tighten and erasing minor lines & wrinkles

Harnessing the power of Medik8’s best-selling vitamin C serum, C-Tetra Intense is boosted with additional brightening and nourishing ingredients to provide an intense antioxidant action.

This innovative water free and 100% stable formula contains a unique combination of skin pampering oils and the anti-ageing properties of Vitamin C to help combat sun and pollution-induced damage.

Helping to restore radiance and fight visible signs of ageing the combination of Vitamin C and E helps reduce fine lines and wrinkles, as well as visibly brightening the complexion and balancing skin tone.

The fast absorbing lipid-soluble formula penetrates deep into skin to provide powerful antioxidant protection with minimal irritation. The 100% stable formula 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.

Medik8 C-Tetra Luxe key active ingredients:

  • 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.
  • Maracuja Oil –Naturally rich in nutrients, maracuja oil nourishes the complexion with fatty acids and provides an antioxidant protective shield.
  • Vitamin F –Otherwise known as ethyl linoleate or linoleic acid, vitamin F is an omega-6 essential fatty acid, which deeply nourishes and hydrates the complexion.
  • Optimised Red Ginseng –Extracted from the root of red ginseng, this natural extract boosts the serum’s brightening powers while stimulating collagen production.
  • Squalane –A natural emollient; squalane helps to restore the skin’s natural defensive barrier while deeply hydrating the skin.

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

Size: 30ml

Please Note: This product cannot be shipped outside of the UK or Ireland.

Instant Skin Youthfulness

Boosted with optimised red ginseng for proven skin-brightening and youth-boosting power.

Dark Spot Reduction

Delivers powerful, clinically proven action on the appearance of dark spots.

Total Skin Nourishment

Enhanced with squalane and vitamin F for deep moisturisation and clinically proven skin barrier support.

Step 1

After cleansing in the morning, massage 6 drops of C-Tetra Luxe across the face, neck and décolletage.

Step 2

Leave to absorb before applying sunscreen. We recommend Advanced Day Ultimate Protect.

3% Stabilised Vitamin C (tetrahexyldecyl ascorbate)

A low-irritation form of vitamin C that delivers exceptional antioxidant protection against harmful free radical damage while supporting collagen production for a visibly even, more youthful-looking complexion.



An almost skin-identical lipid which helps to support the natural skin barrier by nourishing the complexion.


Maracuja (pronounced ‘marra-KU-ja’) Oil

Naturally rich in nutrients and fatty acids, maracuja oil deeply nourishes your skin while providing additional antioxidant protection against free radical damage.


Optimised Red Ginseng

Boosts the serum’s brightening powers while stimulating collagen production for more youthful-looking skin.


Vitamin E

A powerful antioxidant that provides additional antioxidant protection against the ageing effects of free radicals. It also helps to boost the power of vitamin C for optimum visible results.

C-Tetra Luxe is the pinnacle of our C-Tetra range, containing 14% tetrahexyldecyl ascorbate; double that of our original C-Tetra serum.

It also boasts an infusion of radiance-boosting antioxidants delivered in a nourishing squalane base, making it the perfect all-rounder within our vitamin C range.

We recommend this for the majority of skin types including those looking for supercharged age-defying results, as well as drier and dehydrated skin types.

C-Tetra Luxe is unique as it remains gentle on the skin despite its high concentration of vitamin C.

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