NEW TOTAL MOISTURE DAILY CLEANSING GEL

SHOP NOW

Rewards

Enjoy 15% Off Your First Order

Tracked shipping

The C-Tetra Range

…

Experience powerful antioxidant protection with our C-Tetra range, crafted to brighten skin and defend from daily environmental stressors. Featuring stabilised tetrahexyldecyl ascorbate serums and creams, these vitamin C formulas promote a visibly radiant, even-toned complexion while supporting long-term skin health. With progressive strengths of serums available, the range is designed to suit different skin concerns and experience levels, whether you're starting out or looking for advanced results. This will help you build a routine that reveals visibly smoother, more luminous and youthful-looking skin.

7 Products

Filter and sort 7 Products

An overhead "packshot" of a 30ml bottle of Medik8 C-Tetra Lipid Vitamin C Radiance Serum. The amber glass bottle is uncapped and stands centered, with its black dropper lid resting diagonally behind it. A clear, liquid serum is artistically splashed and pooled on the clean white background around the bottle, with a few droplets visible on the glass pipette. The lighting is bright, casting soft shadows to the left and creating a clinical yet elegant aesthetic.

"A model with a radiant complexion is shown in a close-up, with a list of clinically proven benefits for Medik8 C-Tetra Luxe displayed on the left. The benefits include:

Give skin a healthy glow after just 1 use*

Reduce the look of wrinkles & hyperpigmentation in 4 weeks*

Visibly brightens & provides deep nourishment

A footnote at the bottom specifies these results are Proven via independent clinical study on C-Tetra Luxe conducted over 4 weeks on 36 participants ."

Dullness

C-Tetra® Lipid 7% Vitamin C Radiance Serum

Full Size (30ml) | $102.50

Medik8 C-Tetra Luxe serum bottle shown open with its glass pipette resting against the rim, displayed on a white background with clear, translucent serum droplets. The image includes a GET THE GLOSS BEAUTY AWARDS GOLD 2024 seal in the top left and a DERMATOLOGIST RECOMMENDED emblem with a magnifying glass icon in the top right.

Close-up of a person's face being treated with a glass pipette, set against a dark, warm-toned background. The text states the product is CLINICALLY PROVEN TO: followed by three check-marked claims: Give skin a healthy glow after just 1 use* , Reduce the look of wrinkles & hyperpigmentation in 4 weeks* , and Visibly brightens & provides deep nourishment . A footer note specifies these results are proven via an independent clinical study on C-Tetra Luxe conducted over 4 weeks on 36 participants.

Fine lines & wrinkles

C-Tetra® Luxe Lipid 14% Vitamin C Enhanced Radiance Serum

Full Size (30ml) | $167

A travel-sized 8mL amber glass bottle of Medik8 C-Tetra lipid vitamin C radiance serum standing next to its white cardboard carton. The products are displayed on a textured grey surface against a clean white background.

A model with a radiant complexion is shown in a close-up, with a list of clinically proven benefits for Medik8 C-Tetra Luxe displayed on the left. The benefits include:

Give skin a healthy glow after just 1 use*

Reduce the look of wrinkles & hyperpigmentation in 4 weeks*

Visibly brightens & provides deep nourishment

A footnote at the bottom specifies these results are Proven via independent clinical study on C-Tetra Luxe conducted over 4 weeks on 36 participants .

C-Tetra® (Travel Size) Lipid Vitamin C Radiance Serum

$30.50

An 8ml brown glass dropper bottle of Medik8 C-Tetra Luxe serum stands next to its white packaging box on a grey surface against a white background. Text on both reads: "Medik8, C-TETRA LUXE, Lipid Vitamin C Enhanced Radiance Serum, 8mL e / 0.27 Fl. Oz.".

Close-up of a person's face being treated with a glass pipette, set against a dark, warm-toned background. The text states the product is CLINICALLY PROVEN TO: followed by three check-marked claims: Give skin a healthy glow after just 1 use* , Reduce the look of wrinkles & hyperpigmentation in 4 weeks* , and Visibly brightens & provides deep nourishment . A footer note specifies these results are proven via an independent clinical study on C-Tetra Luxe conducted over 4 weeks on 36 participants.

C-Tetra® Luxe (Travel Size) Lipid Vitamin C Enhanced Radiance Serum

$56

Medik8 C-Tetra Advanced bottle displayed on a clean white background with translucent serum droplets, highlighting its lightweight gel-serum texture.

Close-up of a woman with radiant, even-toned skin, with text highlighting how C-Tetra Advanced defends against premature ageing by improving brightness, wrinkles, and skin texture.

Fine lines & wrinkles

C-Tetra® Advanced 20% Vitamin C Gel-Serum With Phyto Exosomes

$164.45

Medik8 C-Tetra Eye Lipid Vitamin C Radiance Serum bottle displayed on a white background with translucent serum droplets, highlighting its liquid texture.

Fine lines & wrinkles

C-Tetra® Eye Lipid Vitamin C Radiance Serum

Full Size | $56.35

"Medik8 C-Tetra Cream jar displayed on a grey stone block against a white background with soft light rays. The image features four check-marked claims:

Visibly restores skin radiance

Improves the look of fine lines & uneven skin tone

Nourishes & softens the skin

Helps prevent visible signs of ageing"

Dullness

C-Tetra® Cream Lipid 3% Vitamin C Radiance Cream

Full Size (50ml) | $121.90