Medik8 C-Tetra Advanced 30ml

C-Tetra Advanced 20% Vitamin C Serum with Phyto Exosomes – Next-Generation Antioxidant Brightening Formula

Accelerate skin radiance and target visible signs of ageing with C-Tetra Advanced, Medik8’s most powerful vitamin C innovation yet. Clinically proven to brighten skin and visibly smooth fine lines and wrinkles in just 7 days¹, this high-performance antioxidant serum works with your skin barrier, not against it.

Powered by 20% stabilised vitamin C (Tetrahexyldecyl Ascorbate), it delivers next-generation brightening, antioxidant protection, and age-defying benefits with 0% barrier disruption¹.

• 20% Stabilised Vitamin C (Tetrahexyldecyl Ascorbate): Potent, stable form of vitamin C for brightening and collagen support.• Phyto Exosomes: Plant-derived vesicles that boost resilience and repair.• Acetyl Zingerone: Advanced antioxidant that defends against environmental ageing.• Squalane & Hyaluronic Acid: Replenish hydration and maintain a supple, smooth complexion.

Brightens dull, uneven skin tone
Reduces visible wrinkles and fine lines
Protects against free radical damage
Hydrates and strengthens the skin barrier

Clinically proven results within 7 days¹

Apply 2–3 pumps to the face, neck and décolletage each morning after cleansing. Follow with moisturiser and finish with broad-spectrum SPF.

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.