Medik8 C‑Tetra® Advanced Gel‑Serum (30 mL)
Description
Description
A highly potent and gentle form of Vitamin C for skin brightening & protection against premature skin ageing.
Results Timeline
| When | Visible Change | Data / Mechanism |
|---|---|---|
| 7 days | Brighter, smoother, more radiant skin | Clinically proven results in independent consumer and clinical trials |
| 7 days | Reduced wrinkles, improved smoothness | 0% barrier disruption alongside visible wrinkle reduction |
| Ongoing | Strengthened skin barrier & enhanced UV/environmental protection | 20% tetrahexyldecyl ascorbate+phytoexosomes reinforce barrier and neutralize free radicals |
Supercharged brightening meets cutting-edge barrier care.
Medik8’s C‑Tetra Advanced delivers a robust 20% stabilized vitamin C (tetrahexyldecyl ascorbate) in a feather‑light gel-serum. It’s powered by phyto exosomes to soothe and bolster barrier repair, plus acetyl zingerone, an omni-antioxidant that enhances skin protection. Multi-weight hyaluronic acid and N‑acetyl glucosamine (NAG) enhance hydration and pore clarity. Ideal for experienced vitamin C users or those upgrading from the classic or Luxe formulas seeking glow without heaviness. Vegan, fragrance-free (natural citrus from essential oils), and suitable even for sensitive skin tones.
Full INCI List
Water (Aqua), Tetrahexyldecyl Ascorbate (20 %), Isododecane, Propanediol, Acetyl Glucosamine, Squalane, Tocopherol, Acetyl Zingerone, Camellia Sinensis (Green Tea) Leaf Vesicles, Hydroxyacetophenone, Sodium Hyaluronate, Cellulose, Avena Sativa (Oat) Kernel Extract, Glycerin, Hydroxyethyl Acrylate/Sodium Acryloyldimethyl Taurate Copolymer, Citrus Grandis (Grapefruit) Peel Oil, Sucrose Stearate, Tetrasodium Glutamate Diacetate, Ethylhexylglycerin, Acrylates/C10‑30 Alkyl Acrylate Crosspolymer, Xanthan Gum, Sodium Benzoate, Cellulose Gum, 1,2‑Hexanediol, Polysorbate 60, Sorbitan Isostearate, Citric Acid, Phenoxyethanol, Citral, Linalool, Limonene.














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