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Medik8 C-Tetra Advanced

C-Tetra Advanced

£70.00
When to use
Morning
In your routine
Step 4 of 10
Delivery is added at checkout.
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About this product

20% Vitamin C Gel-Serum With Phyto Exosomes

Defend against premature skin ageing and achieve accelerated skin brightening with a next-generation combination of 20% vitamin C and skin barrier science.

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 for deep, controlled delivery 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.

PROVEN RESULTS

7 days to visibly brighter skin[1]

7 days to visibly reduced wrinkles[1]

0% barrier disruption[1]

7 days to visibly smoother skin texture[1]

Reduces 90% of pollution damage to the skin’s surface[2]

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.

[1] Proven via independent clinical study conducted over 4 weeks on 32 participants.

[2] Proven via in vitro protein carbonylation data against particulate matter pollution on the stratum corneum and epidermis.

How to use

  1. 1In the morning after cleansing, apply a few drops to the face and neck. Follow with moisturiser and sunscreen. Avoid direct contact with the eyes.

Ingredients

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.

Ingredients can change. The list on the pack is always the current one.

Where it fits

Your routine, in order

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