Medik8 C-Tetra Vitamin C Serum
Medik8

C-Tetra Vitamin C Serum

30ml · 4.6 (4300 reviews)

A lightweight, low-sting vitamin C serum in a lipid-soluble form.

Fragrance-free
Vegan
Cruelty-free
Sensitive
Normal / balanced
Dry lengths
Combination
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UK retailers we currently hold. Some links are affiliate links.

  • LF
    LookFantastic
    Best price

    Free UK delivery over £25 · £1.18/ml

    £35.49

    Shop
  • CB
    Cult Beauty

    Free UK delivery over £40 · £1.25/ml

    £37.44

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  • AZ
    Amazon UK

    Prime delivery available · £1.36/ml

    £40.95

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Prices are placeholder data and update automatically once retailer feeds are connected. Last checked 8/27/2026. Shop links are affiliate links.

What's doing the work

Key ingredients

Full INCI list

Caprylic/Capric Triglyceride, Tetrahexyldecyl Ascorbate, Tocopherol, Squalane

Ingredient lists are indicative and should be confirmed on pack. Live formulation data requires a retailer or brand feed integration.

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