Medik8 C-Tetra Advanced 30ml
A 20% vitamin C serum with phyto exosomes for visible brightening and daily antioxidant defence.
About this product
Description
C-Tetra Advanced combines 20% stabilised vitamin C with phyto exosomes to help defend against premature skin ageing and deliver accelerated visible brightening. Medik8 reports it is clinically proven to brighten skin and visibly improve wrinkles in 7 days, with 0% barrier disruption.
The super-antioxidant acetyl zingerone boosts vitamin C's protective effect, while hyaluronic acid and N-acetyl glucosamine hydrate and smooth. The gentle vitamin C form makes it suitable even for first-time vitamin C users. Contains natural grapefruit-derived fragrance.
Key benefits
- Visible brightening
- Daily antioxidant defence against environmental stressors
- Helps improve the look of wrinkles
- Hydrating and smoothing
- Gentle enough for vitamin C beginners
Key ingredients
How to use
In the morning, after cleansing and toning, massage 2–3 pumps across the face, neck and décolletage, before moisturiser and sunscreen. When layering serums, apply this last. Patch test 24 hours before first use.
FAQs
Is it suitable for vitamin C beginners?
Yes, Medik8 says the gentle form of vitamin C suits all skin types, including first-time users.
Can I use it with vitamin A?
Yes. Medik8 recommends vitamin C and SPF by day and vitamin A at night.
Does it contain fragrance?
Yes, a natural citrus fragrance from grapefruit oil.