Defend against premature skin ageing and achieve accelerated skin brightening with a next-generation combination of 20% vitamin C and skin barrier science. shown in independent consumer studies 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 — shown in independent consumer studies to visibly brighten skin and even tone in 7 days for a radiant, luminous complexion.
- Enhanced Skin Barrier Support — Powerful phyto exosomes deliver replenishing bioactives to skin cells rapidly & effectively, ensuring 0% barrier disruption.
- 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 — shown in independent consumer studies 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.
Independent study findings
- 7 days to visibly brighter skin[1] 7 days to visibly reduced wrinkles[1] 0% barrier disruption[1] 7 days to visibly smoother skin texture[1] Reduces 90% of pollution damage to the skin’s surface[2] [1] Proven via independent clinical study conducted over 4 weeks on 32 participants. [2] Proven via in vitro protein carbonylation data against particulate matter pollution on the stratum corneum and epidermis. [3] Proven via in vitro protein carbonylation study using European standard reference environmental pollutants.
*Results based on independent consumer studies commissioned by Medik8. Individual results may vary.
Product details
- Brand: Medik8®
- Range: Vitamin C
- Size: 30ml
- Item code: MDR1104
- Barcode: 818625027278
Important information
- Patch test before first use.
- Discontinue use if irritation occurs and consult a healthcare professional.
- Avoid contact with eyes; if contact occurs rinse thoroughly.
- Store below 25°C, away from direct sunlight.
Verdo is an authorized New Zealand stockist of Medik8®. All products are sourced directly from the brand — fresh, fully sealed, and authentic. Free NZ shipping on orders over $100.
The information presented is for educational purposes only and is not intended as medical advice. Skincare products are cosmetics and are not intended to diagnose, treat, cure or prevent any disease. Consult your healthcare provider if you have a skin condition, are pregnant, breastfeeding, or taking medication.
Defend against premature skin ageing and achieve accelerated skin brightening with a next-generation combination of 20% vitamin C and skin barrier science. shown in independent consumer studies 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 — shown in independent consumer studies to visibly brighten skin and even tone in 7 days for a radiant, luminous complexion.
- Enhanced Skin Barrier Support — Powerful phyto exosomes deliver replenishing bioactives to skin cells rapidly & effectively, ensuring 0% barrier disruption.
- 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 — shown in independent consumer studies 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.
Independent study findings
- 7 days to visibly brighter skin[1] 7 days to visibly reduced wrinkles[1] 0% barrier disruption[1] 7 days to visibly smoother skin texture[1] Reduces 90% of pollution damage to the skin’s surface[2] [1] Proven via independent clinical study conducted over 4 weeks on 32 participants. [2] Proven via in vitro protein carbonylation data against particulate matter pollution on the stratum corneum and epidermis. [3] Proven via in vitro protein carbonylation study using European standard reference environmental pollutants.
*Results based on independent consumer studies commissioned by Medik8. Individual results may vary.
Product details
- Brand: Medik8®
- Range: Vitamin C
- Size: 30ml
- Item code: MDR1104
- Barcode: 818625027278
Important information
- Patch test before first use.
- Discontinue use if irritation occurs and consult a healthcare professional.
- Avoid contact with eyes; if contact occurs rinse thoroughly.
- Store below 25°C, away from direct sunlight.
Verdo is an authorized New Zealand stockist of Medik8®. All products are sourced directly from the brand — fresh, fully sealed, and authentic. Free NZ shipping on orders over $100.
The information presented is for educational purposes only and is not intended as medical advice. Skincare products are cosmetics and are not intended to diagnose, treat, cure or prevent any disease. Consult your healthcare provider if you have a skin condition, are pregnant, breastfeeding, or taking medication.
