C-Tetra® Eye

Medik8 C-Tetra Eye serum bottle on a white background
Woman's face with text highlighting eye area benefits on a brown background
Skincare product layering guide with Medik8 products on an orange background
Medik8 C-Tetra Eye serum bottle with text highlighting vitamin C and E benefits on a white background
Medik8 skincare products including C-Tetra Luxe, C-Tetra Eye, and C-Tetra Facial Cream on a white background.
Medik8 C-Tetra Eye serum bottle and packaging on a white background
Medik8 C-Tetra Eye serum bottle on a white background
Woman's face with text highlighting eye area benefits on a brown background
Skincare product layering guide with Medik8 products on an orange background
Medik8 C-Tetra Eye serum bottle with text highlighting vitamin C and E benefits on a white background
Medik8 skincare products including C-Tetra Luxe, C-Tetra Eye, and C-Tetra Facial Cream on a white background.
Medik8 C-Tetra Eye serum bottle and packaging on a white background
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Fine Lines & Wrinkles

C-Tetra® Eye
Lipid Vitamin C Radiance Serum
Discover a visibly brighter, smoother, and energised eye area each morning with C-Tetra Eye.

Harnessing the proven age-defying powers of Medik8's C-Tetra facial serums, C-Tetra Eye is expertly designed to deliver powerful visible results while being lightweight, fast-absorbing and gentle enough for your delicate eye area.

Formulated with stabilised tetrahexyldecyl ascorbate (pronounced 'tetra-hexul-deckul as-CORR-bate'), this eye-specialist vitamin C serum works to smooth the look of fine lines and wrinkles around the eyes while visibly brightening and deeply nourishing for a more revitalised eye appearance overall.

 

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Key Benefits
Fine Line Reduction

Visibly smooths fine lines and wrinkles around the eyes for a firmer, more youthful-looking eye area.

Vitamin C Power For Delicate Eyes

The stable formula delivers the renowned smoothing, brightening and antioxidant benefits of vitamin C while being gentle and lightweight enough for the delicate eye area.

Visibly Brighter & Awakened Eye Area

Works to visibly brighten the skin tone, improving the look of under eye darkness and discolouration.

How to Use

HOW TO USE

After cleansing in the morning, apply a small amount across the brow bone and under-eye area - avoiding the eyelids.

If you're new to Liquid C-Tetra Eye we recommend a patch test at least 24 hours in advance. Learn how to patch test here.

Key Ingredients
3% Stabilised Vitamin C (tetrahexyldecyl ascorbate)

A low-irritation form of vitamin C that delivers exceptional antioxidant protection against harmful free radical damage while brightening and supporting collagen production for a visibly even, more youthful-looking complexion.

Vitamin E

A powerful antioxidant that provides additional antioxidant protection against the ageing effects of free radicals. It also helps to boost the power of vitamin C for optimum visible results.

Full List of Ingredients
C-Tetra® Eye
Lipid Vitamin C Radiance Serum

INGREDIENTS

Simmondsia Chinensis (Jojoba) Seed Oil, Cyclopentasiloxane, Cyclohexasiloxane, Tetrahexyldecyl Ascorbate, Tocopheryl Acetate, Citrus Grandis (Grapefruit) Peel Oil, Limonene, Citral, Linalool, Geraniol.

PRECAUTIONS

Avoid direct eye contact. If product enters eyes, rinse well with water. If irritation occurs, cease use. Should irritation persist, consult a doctor. Use only as directed and on unbroken skin. Patch testing prior to use is advised. Refer to medik8.co/patch for an in-depth guide to patch testing. Keep out of reach of children.

*Although we try our best to ensure this list of ingredients is accurate there may be product upgrades from time to time, or slight variants between different regions based on local laws, meaning the only definitive ingredient list is that which is printed on the product packaging.
  • No artificial fragrance
  • No synthetic colours
  • Paraben free
  • Alcohol free
  • Certified by the vegan society
  • Used in professional treatments
Experts Recommended

Gentle...and layers well beneath make-up.

ROBERTA SCHROEDER
Ecommerce Editor - Harper's Bazaar

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Frequently Asked Questions

What's the difference between C-Tetra Eye and C-Tetra / C-Tetra Luxe?
C-Tetra Eye is our stabilised vitamin C serum for the delicate eye area, while C-Tetra and C-Tetra Luxe are our stabilised vitamin C serums for the face. They work in perfect harmony to deliver vitamin C's renowned brightening, smoothing and antioxidant benefits across the face as well as the delicate eye area.
How do I use C-Tetra Eye alongside C-Tetra / C-Tetra Luxe?
After cleansing in the morning, apply C-Tetra Eye around the eye area. Follow by applying C-Tetra or C-Tetra Luxe across the rest of the complexion.
Can I use C-Tetra Eye alongside vitamin A formulas?
Absolutely. In fact we recommend it as part of our pioneering CSA Philosophy which champions vitamin C plus sunscreen by day, vitamin A by night as the simple secret to glowing, youthful-looking skin.
Can I use C-Tetra Eye if I'm pregnant or breastfeeding?
As a cosmetics company, we are unable to provide product advice in relation to medical conditions such as pregnancy. We would recommend discussing the ingredients with your GP or midwife before use. As general guidance, this product does not contain any ingredients which we would recommend to avoid during pregnancy, unless advised by your doctor.
C-Tetra® Eye