Medik8 C-Tetra 30ml
Restore the look of skin radiance in just 7 days* with cult-favourite C-Tetra.
Formulated with a stabilised form of vitamin C (7%) called tetrahexyldecyl ascorbate, this lightweight serum works to visibly brighten uneven skin tone and reduce the look of fine lines and wrinkles, while remaining gentle on sensitive skin.
Fortified with vitamin E, this antioxidant powerhouse also protects the skin against the ageing and damaging effects of free radicals for a more youthful and healthy-looking complexion overall.
The perfect option for those who are new to vitamin C, or those with sensitive skin.
Medik8 C‑Tetra™ Lipid 7% Vitamin C Radiance Serum (30 mL)
Description
Description
A daily vitamin C serum that helps to reduce the appearance of skin aging signs and promotes a brighter-looking complexion. Suitable for all skin types, particularly those new to vitamin C or with sensitive skin.
Results Timeline
| When | Visible Change | Supporting Data |
|---|---|---|
| 7 days | Skin appears brighter, smoother, more radiant | Proven independent study on 52 participants including sensitive skins |
| 4 weeks | Visibly reduced fine lines & dark spots | Manufacturer-backed study results |
| 90% | Users reported immediate skin softness | Independent consumer trial data |
Kickstart your glow with gentle, stabilized Vitamin C.
C-Tetra™ delivers 7% tetrahexyldecyl ascorbate, a stable, lipid-soluble form of Vitamin C that brightens, boosts collagen, and protects against free radicals. Fortified with Vitamin E and nourishing jojoba oil, this lightweight, oil-serum absorbs swiftly, leaving skin more luminous and hydrated without irritation. Perfect for beginners, sensitive skin, and fans of Medik8’s CSA philosophy-Vitamin C by day, SPF, and Vitamin A by night.
Full Ingredients (INCI)
Simmondsia Chinensis (Jojoba) Seed Oil, Cyclopentasiloxane, Cyclohexasiloxane, Tetrahexyldecyl Ascorbate, Citrus Grandis (Grapefruit) Peel Oil, Tocopheryl Acetate, PPG-12/SMDI Copolymer, Limonene, Citral, Linalool, Geraniol.






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