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£72.00

Medik8 C-Tetra Advanced 30ml

Unlock Age-Defying Brightness and Radiance.

Experience the next generation of vitamin C with Medik8 C-Tetra Advanced Gel-Serum. This lightweight, non-greasy serum combines a potent 20% concentration of stabilized vitamin C with innovative Phyto Exosomes to deliver accelerated skin brightening and defend against the visible effects of premature aging. Ideal for all skin types, especially oily and combination skin, this intelligent formula leaves your complexion visibly smoother, brighter, and instantly refreshed.
AC-M8-038
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Description

Description

Medik8 C-Tetra Advanced 30ml is a next-generation vitamin C gel-serum delivering 20% stabilised tetrahexyldecyl ascorbate — three times the concentration of the original C-Tetra. It combines high-potency vitamin C with Phyto Exosomes and acetyl zingerone for accelerated brightening, wrinkle reduction and comprehensive antioxidant defence. Furthermore, it is formulated to brighten skin and visibly improve wrinkles.

Why Choose Medik8 C-Tetra Advanced Gel-Serum

C-Tetra Advanced is the most potent formulation in the Medik8 C-Tetra range — ideal for experienced vitamin C users seeking maximum brightening and antioxidant correction. The lightweight gel-serum texture absorbs instantly without greasiness and layers perfectly under moisturiser and SPF — vitamin C and sunscreen by day, vitamin A by night.

Medik8 C-Tetra Advanced Key Benefits

  • 20% Stabilised Vitamin C — the highest C-Tetra concentration for maximum brightening results.
  • Phyto Exosomes — plant-derived delivery system that soothes and supports the skin barrier.
  • Omni-Antioxidant Defence — acetyl zingerone neutralises environmental free radicals.
  • Hydrates and Plumps — hyaluronic acid and squalane deliver deep, lasting moisture.
  • Lightweight Gel Texture — non-greasy, fast-absorbing and suitable for all skin types.

Key Ingredients

  • Tetrahexyldecyl Ascorbate (20%) — potent, stable vitamin C that brightens, protects and stimulates collagen.
  • Phyto Exosomes (Green Tea Leaf Vesicles) — plant-derived delivery system that soothes and strengthens the skin barrier.
  • Acetyl Zingerone — super-antioxidant that enhances vitamin C benefits and defends against environmental stressors.
  • Sodium Hyaluronate — multi-weight hyaluronic acid for immediate and lasting hydration.
  • Acetyl Glucosamine — skin-brightening active that works alongside vitamin C to even skin tone.
  • Tocopherol (Vitamin E) — antioxidant that works in synergy with vitamin C for enhanced protection.

How to Use

Each morning after cleansing, massage 2–3 pumps across the face, neck and décolletage. Allow to absorb fully before applying moisturiser and SPF. Always finish with sun protection when using vitamin C.

Ingredients (INCI)

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.

Available from Aesthetic Cellology. Authorised Medik8 stockists at 118 Baker Street, London W1U 6TT.

Additional Information

Additional Information

Weight 0.100 kg
Dimensions 20 × 15 × 8 cm
Product Type

Serum / Treatment

Skin Type

All Skin Types

Skin Concern

Dullness, Pigmentation

Key Ingredient

Vitamin C

Size

30ml

Delivery & Returns

Delivery & Returns

Delivery

  • UK delivery only.
  • £4.99 standard delivery, free on orders over £75. Delivery takes 1–4 business days.
  • Orders placed before 2pm (UK time), Monday to Friday, are dispatched the same or next working day.
  • You'll receive tracking details by email once your order ships.

Returns

  • 14-day returns on unused, unopened items in their original packaging, with hygiene seals intact.
  • Free returns. Email us and we'll send a prepaid label within 1 working day.
  • Refunds are made to your original payment method within 14 days of us receiving the item.
  • Faulty, damaged or incorrect item? Contact us within 48 hours with photos and we'll put it right. Your statutory rights are not affected.

Questions? Email info@aestheticcellology.co.uk or call 0208 054 6898.

Full Shipping Policy · Full Returns & Refunds Policy

Medik8 skincare product with pump bottle and white box.

Medik8 C-Tetra Advanced 30ml

£72.00
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