Medik8 C-Tetra Advanced

Defend against premature skin ageing and achieve accelerated visible skin brightening.

With a next-generation combination of 20% vitamin C and cutting edge phyto exosomes that help shield and improve the skin’s recovery from exposure to environmental stressors which can cause premature ageing.

Clinically proven to brighten skin and visibly improve wrinkles in 7 days[1] with 0% barrier disruption[1], C-Tetra Advanced is engineered for high-performance visible brightening, skin smoothing, and daily antioxidant defence.

This intelligent ingredient complex combines potent, stabilised 20% vitamin C with restorative phyto exosomes and omni-antioxidant acetyl zingerone to neutralise the ageing effects of free radicals.

The result? A high-performance, age-defying vitamin C serum that works smarter, not harsher.” Benefits: Dramatic Skin Brightening
Clinically proven to visibly brighten skin and even tone in 7 days for a radiant, luminous complexion.

Premature Skin Ageing Defence
Shields skin from damaging free radicals, pollution, and daily environmental stressors to help defend against premature skin ageing.

Skin Barrier Support & Enhanced Resilience
Powerful phyto exosomes work to reinforce the skin’s natural defence system, deliver replenishing bioactives to skin cells rapidly & effectively, ensuring 0% barrier disruption.

Smooth & Even Complexion
Clinically proven to visibly improve skin smoothness and texture in 7 days, leaving a soft, polished finish.

Lightweight Finish
The fast-absorbing gel-serum texture hydrates, smooths, and primes, leaving skin instantly refreshed and ready for the day ahead. How To Use: Apply as part of your morning skincare routine. Massage 2-3 pumps across the face, neck and décolletage. Follow with moisturiser and always finish with sunscreen.