New C-Tetra Advanced

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Enjoy 15% off your first order

Turn Up The Brightness

OFF ON

NEW C-Tetra Advanced

EXPERIENCE THE BRIGHTENING POWER OF 20% VITAMIN C WITH PHYTO EXOSOMES

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NEW C-Tetra Advanced

7 DAYS TO VISIBLY BRIGHTER SKIN, IMPROVED WRINKLES & SMOOTHER SKIN TEXTURE*

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Your Ultimate Summer Skin Defence

POTENT VITAMIN C + SUNSCREEN FOR GLOWING, PROTECTED SKIN.

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DERMATOLOGIST
RECOMMENDED

CLINICAL
RESULTS

AGE-DEFYING
EXPERTS

MADE IN
THE UK

B CORP
CERTIFIED

100%

saw visibly brighter skin in 7 days.^[1]

Barrier Disruption.^[1]

97%

of sensitive skin found C-Tetra Advanced gentle.^[2]

Clinically Proven Results

(Before): Close-up of a person’s cheek showing uneven skin texture and visible pores before using C-Tetra Advanced, with a dotted circle highlighting the area of concern.

Customer Testimonials

Feels amazing on the skin Sinks in nicely and feels like a primer for my moisturiser without leaving my skin feeling tight."

Clare, Medik8 Customer

Love this new product I have noticed a glow in just a few days and my skin's looking a lot brighter, really impressed."

Danielle, Medik8 Customer

Simply the best It hydrates my skin so well and my pores are also visibly reduced. Smells wonderful too."

Madolyn, medik8 customer

The Science Behind C-Tetra Advanced

Traditional high-strength vitamin C can degrade or irritate the skin. C-Tetra Advanced is expertly formulated with 20% stabilised vitamin C and phyto exosomes to deliver lasting power from the first drop to the last.

Daniel Isaacs

Chief Product Officer

C-Tetra Advanced is scientifically proven to shield against the environmental stressors that cause premature skin ageing, reducing damage by up to 78%.[3]

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CLINICAL CLAIMS

The C-Tetra Range

The Power Of Vitamin C

Medik8 C-Tetra Advanced serum bottle stands against a warm orange background with hexagonal graphics.

A bottle of Medik8 C-Tetra Advanced serum stands against a warm orange background with subtle beakers in the background.

The C-Tetra Range

Daily vitamin C for every skin type – glow, protect, and visibly brighten

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^{[1]Proven via independent clinical study conducted over 4 weeks on 32 participants.}
^{[2]Proven via independent consumer study conducted over 4 weeks on 35 participants with sensitive skin.}
^{[3] Proven via in vitro protein carbonylation study using European standard reference environmental pollutants}