Medik8

Medik8 C-Tetra Advanced 30ml

The most advanced C-Tetra yet, built around a stabilised 20% vitamin C complex. Visible brightening and smoothing in just seven days, without troubling the barrier.

€84.00
Complete Your Routine
Glow Guide
  • Delivers a stabilised 20% vitamin C complex
  • Brightens and evens tone in seven days
  • Smooths the look of fine lines and texture
  • Strengthens the barrier with phyto exosomes
  • Suitable for daily use, even on sensitive skin
Who's It For

All skin types concerned with dullness, uneven tone or early signs of ageing, ideal as a daily morning antioxidant.
Description
GLOW GUIDE
  • 20% stabilised vitamin C complex
  • Brightens and evens in seven days
  • Smooths fine lines and texture
  • Strengthens barrier with exosomes
DESCRIPTION

Medik8 C-Tetra Advanced is a high performance vitamin C serum that defends against premature ageing while delivering visible brightening and smoothing in just seven days. A stabilised 20% vitamin C complex improves tone, texture and radiance with potent daily antioxidant protection.

Engineered with restorative phyto exosomes and acetyl zingerone, it supports skin resilience and helps protect against environmental stress. Lightweight and fast absorbing, it delivers visible results without compromising the barrier, suitable for daily use even on sensitive skin.

Who's It For All skin types concerned with dullness, uneven tone or early signs of ageing, ideal as a daily morning antioxidant for brighter, healthier looking skin. Now available at SkinShop.ie.

HOW TO USE

Apply to the face and neck each morning after cleansing. Follow with moisturiser and a broad spectrum SPF.

ABOUT THE BRAND

Medik8 is an award-winning global skincare brand built on the philosophy of Evidence. Ethics. Excellence. Every formula is developed by leading biochemists and dermatologists to target skin ageing, acne, redness, pigmentation and dryness. Trusted and recommended by doctors, dermatologists and skin therapists worldwide. Shop the full Medik8 range at SkinShop.ie, Ireland's home for clinical skincare.

INGREDIENTS

Vitamin C (20% Stabilised Complex) — brightens and defends against ageing.
Phyto Exosomes — support skin resilience and barrier strength.
Acetyl Zingerone — antioxidant that protects against environmental stress.

Please Note: For an accurate listing of ingredients in each product, please refer to your product packaging prior to use. SkinShop also recommend all products are patch-tested 24 hours before application.
How to Use

Apply to the face and neck each morning after cleansing. Follow with moisturiser and a broad spectrum SPF.

A daily morning antioxidant under SPF; we follow it with Medik8 Crystal Retinal at night, keeping vitamin C for the day and vitamin A for recovery.
Ingredients

Vitamin C (20% Stabilised Complex): brightens and defends against ageing.

Phyto Exosomes: support skin resilience and barrier strength.

Acetyl Zingerone: an antioxidant that protects against environmental stress.

Please Note: For an accurate listing of ingredients in each product, please refer to your product packaging prior to use. SkinShop also recommend all products are patch-tested 24 hours before application.
About the Brand

Medik8 is a British clinical skincare brand built around one simple philosophy: vitamin C and sunscreen by day, vitamin A by night. Backed by research and trusted by professionals worldwide, every formula is designed to deliver visible results while respecting the skin barrier.
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Glow Note

Innovation only matters when it improves results. This feels like a meaningful step forward.

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Reasons to Shop at SkinShop

Authorised
Retailer

Irish Clinical
Skincare Experts

Complimentary
Samples

Free Delivery
in ROI over €75
See Real Reviews
See how our customers use it in their daily routines.
What Our Customers Are Saying

This vitamin C serum receives excellent ratings from customers who praise its ease of use, non-greasy texture, and brightening effects. Shoppers said it "quenched my face as if it was thirsty" and works well for dry, sensitive skin without causing irritation. Customers appreciate the practical packaging and visible results within weeks.

  • 5 stars: 6 (100%)
  • 4 stars: 0 (0%)
  • 3 stars: 0 (0%)
  • 2 stars: 0 (0%)
  • 1 star: 0 (0%)
M
M.S.

Just using for a short time -easy to use

A
Anonymous
Excellent

Excellent

M
M.P.
Отличный продукт

Отличный продукт. Моя кожа 45 лет радуется и сияет после применения этой сыворотки. Покупаю уже пятый раз и буду покупать дальше. Кожа сухая и чувствительная, но никакого ни раздражение, ни покраснения сыворотка не вызывает.

E
E.H.
Using it maybe 2 weeks only but it's quenched my face as if it was thirsty

Using it maybe 2 weeks only but it's quenched my face as if it was thirsty,My skin has changed through menopause so it's exactly what my dry face needed.

J
J.

Enjoying it so far, nice practical packaging.

Was previously using Allies of Skin Vit C

A
A.O.
5 stars

Lovely non-greasy texture. Feels like it’s brightening my skin already