Medik8
Medik8 C-Tetra Luxe 30ml
Medik8 C-Tetra Luxe 30ml
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An advanced lipid-soluble vitamin C serum with added anti-ageing benefits.
Medik8 C-Tetra Luxe takes the bestselling C-Tetra formula and elevates it with a richer, more nourishing blend. Combining tetrahexyldecyl ascorbate with vitamin E, turmeric extract and squalane, it delivers enhanced antioxidant protection alongside visible anti-ageing benefits. The luxurious oil-serum texture leaves skin radiant, plump and deeply nourished.
Key Benefits
- Enhanced vitamin C formula with vitamin E synergy
- Turmeric extract boosts brightening and calming
- Squalane provides deep nourishment
- Visible anti-ageing and radiance benefits
- Luxurious oil-serum texture
- The C in the CSA Philosophy®
How to Use
Apply 2-3 drops to cleansed skin every morning before moisturiser and sunscreen.
Clinician's Note
Clinician's Note
This product has been personally reviewed and selected by our founder based on clinical evidence, ingredient efficacy, and real-world patient outcomes. If you're unsure whether this is right for your skin, start a free written skin assessment and we'll recommend the best option for you.
How to Use
How to Use
Apply as directed by the product packaging or your clinician's recommendation. For best results, use consistently as part of a complete skincare routine. Not sure about application order? Ask our clinician — it's free.
Shipping & Returns
Shipping & Returns
Dispatch: 1-2 working days
Delivery: 2-4 working days (Royal Mail tracked)
Free shipping on orders over £100
Returns: Unused, unopened products may be returned within 7 days with prior approval. Prescription items cannot be returned once dispensed.
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Complete Your CSA Routine
Vitamin C protects in the morning — add SPF to lock in that defence and a retinoid at night for the full CSA protocol.


