Medik8 C-Tetra has_ascorbic acid more refined texture within weeks

more refined texture within weeks of consistent use

7% tetrahexyldecyl ascorbate = 100% stable vitamin C that won't oxidise or turn orange

Wrinkles visibly reduced in as little as 4 weeks with continued improvement over 12 weeks

Strengthens the skin's barrier against environmental aggressors

This oil-free formula combines patented Aminofil®

Medik8 C-Tetra has_ascorbic acid more refined texture within weeks7% Stabilised Vitamin C Visible Radiance in 7 Days Suitable for Sensitive Skin Medik8 C Tetra is the cult favourite vitamin C serum trusted by skincare professionals and dermatologists across the UK. Formulated with 7% stabilised vitamin C (tetrahexyldecyl ascorbate), this lightweight oil serum delivers powerful antioxidant defence while remaining exceptionally gentle even on the most sensitive skin types. Enriched with nourishing jojoba seed oil and