C-Tetra Advanced 20% Gel Serum

Defend against premature skin ageing and achieve accelerated skin brightening with a next-generation combination of 20% vitamin C and skin barrier science.
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 for deep, controlled delivery 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.[1]

Enhanced Skin Barrier Support

Powerful phyto exosomes deliver replenishing bioactives to skin cells rapidly & effectively, ensuring 0% barrier disruption.[1]

Premature Skin Ageing Defense

Shields skin from damaging free radicals, pollution, and daily environmental stressors to help defend against premature skin ageing

Smooth & Even Complexion

Clinically proven to visibly improve skin smoothness and texture in 7 days, leaving a soft, polished finish.[1]

Lightweight Finish

The fast-absorbing gel-serum texture hydrates, smooths, and primes, leaving skin instantly refreshed and ready for the day ahead.”