Medik8 C-Tetra Advanced 30ml

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.

Key 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, delivering replenishing bioactives to skin cells rapidly and 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.