Unlock next-generation brightening and antioxidant defence with C-Tetra Advanced, powered by 20% stabilised vitamin C and skin barrier science. Clinically proven to brighten skin and visibly reduce wrinkles in just 7 days* with 0% barrier disruption,* this high-strength serum delivers transformative results without compromising skin health. Featuring restorative phyto exosomes for deep, controlled delivery and omni-antioxidant acetyl zingerone to neutralise ageing free radicals, C-Tetra Advanced provides targeted, age-defying protection and a visibly smoother, more radiant complexion. *Proven via independent clinical study conducted over 4 weeks on 32 participants. KEY BENEFITS Dramatic Skin Brightening Clinically proven to visibly brighten and even skin tone in just 7 days, revealing a radiant, luminous complexion.* Enhanced Skin Barrier Support Phyto exosomes deliver key signalling molecules, including peptides and nutrients, to support the skin barrier with 0% barrier disruption.* D