Medik8 C‑Tetra – 7 % Vitamin C & E Radiance Serum 30ml
A daily antioxidant serum with 7 % stabilised vitamin C and vitamin E to brighten skin, protect against free radicals and promote collagen synthesis.
C‑Tetra delivers the perfect entry‑level dose of vitamin C using tetrahexyldecyl ascorbate, a lipid‑soluble derivative that penetrates deeply without irritation. Combined with vitamin E, it provides potent antioxidant protection, helping to neutralise environmental aggressors, stimulate collagen and give the complexion a healthy glow. Organic sunflower seed oil forms a nourishing base that leaves skin supple without greasiness.
Key benefits
Brightens dull skin and restores radiance.
Protects against environmental damage.
Supports collagen production to reduce fine lines.
Lightweight, fast‑absorbing formula perfect for beginners to vitamin C.
Key ingredients
Tetrahexyldecyl ascorbate (7 %): stable form of vitamin C that brightens and firms.
Vitamin E: regenerating antioxidant that boosts the power of vitamin C.
Sunflower seed oil: moisturises and supports the barrier.
How to use
After cleansing, apply 4 drops across the face, neck and décolletage.
Massage until absorbed, then follow with moisturiser and SPF.
Use in the morning.
Good to know
Suitable for all skin types including sensitive.
Vegan and cruelty free.
