Medik8

Medik8 C-Tetra 30ml

Name: Medik8 C-Tetra 30ml
Brand: Medik8
SKU: P08875
Price: 45.0 GBP
Availability: InStock

Medik8 C-Tetra 30ml

£45.00 GBP

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A lipid-soluble vitamin C serum for antioxidant protection and radiance.

Medik8 C-Tetra is a lightweight, everyday vitamin C serum powered by tetrahexyldecyl ascorbate — a stable, lipid-soluble form of vitamin C that penetrates deeply into the skin. It delivers powerful antioxidant protection against environmental damage while brightening the complexion and supporting collagen production. The gentle, non-irritating formula makes it an ideal entry point into vitamin C skincare.

Key Benefits

Stable, lipid-soluble vitamin C for deep penetration
Powerful antioxidant protection against free radicals
Brightens and evens skin tone
Supports natural collagen production
Gentle enough for vitamin C beginners
The C in the CSA Philosophy®

How to Use

Apply 2-3 drops to cleansed skin every morning before moisturiser and sunscreen. Can be mixed with other serums.

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

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

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.

Not sure if this is right for you?

Get a free written skin assessment from our clinician