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.
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.