C-Tetra™ Eye
C-Tetra™ Eye
C-Tetra™ Eye
C-Tetra™ Eye
C-Tetra™ Eye
C-Tetra™ Eye
C-Tetra™ Eye
C-Tetra™ Eye
C-Tetra™ Eye
C-Tetra™ Eye
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C-Tetra™ Eye

  • Brighten
  • |
  • Soothe
  • |
  • Rejuvenate
Lipid Vitamin C Radiance Serum

Discover a visibly brighter, smoother, and energized 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 stabilized 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 revitalized eye appearance overall.
Full Size
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C-Tetra™ Advanced Gel-Serum
C-Tetra™ Advanced Gel-Serum
  • Brighten
  • |
  • Even
  • |
  • Protect
 20% Vitamin C + Phyto Exosomes for age-defying brightness
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 discoloration.

How to Use

If you're new to C-Tetra Eye, we recommend a patch test at least 24 hours before first use. Learn how to patch test here.

How To Use

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

Uses per bottle

120
Guide to Layering
Cleanse
Surface Radiance Cleansing Gel
Morning
Evening
Surface Radiance Cleansing Gel
Full Size (5.0 FL. OZ. (150 mL))
Tone
Press & Glow™
Morning
Evening
Press & Glow™
Select a Size
Brighten
C-Tetra™ Eye
Morning
C-Tetra™ Eye
Full Size (0)
Brighten
C-Tetra™ Advanced Gel-Serum
Morning
C-Tetra™ Advanced Gel-Serum
(0)
Key Ingredients
Stabilized Vitamin C (tetrahexyldecyl ascorbate)

A low-irritation form of antioxidant vitamin C that works to keep the appearance of fine lines and wrinkles at bay. It also helps to visibly brighten and even the skin tone for visible discoloration reduction.

Vitamin E

A powerful antioxidant, vitamin E works to deeply nourish and soften the delicate eye area.

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

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

*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 colors
  • Paraben free
  • Alcohol free
  • Certified by the vegan society
Experts Recommended

Leaves the eye area visibly youthful and awakened.

DANIEL ISAACS
Chief Product Officer

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

ROBERTA SCHROEDER
Ecommerce Editor - Harper's Bazaar

I am delighted...my eye area appears more smooth and radiant

GAIL T
Verified Medik8 Customer

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Reviews

Frequently Asked Questions

What's the difference between C-Tetra™ Eye and C-Tetra™ / C-Tetra™ Luxe?
C-Tetra™ Eye is our stabilized vitamin C serum for the delicate eye area, while C-Tetra™ and C-Tetra™ Luxe are our stabilized 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 the daily use of these 2 powerful actives as our proven pairing for more youthful-looking skin. Apply vitamin C in the morning and vitamin A at night for proven age-defying results.
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 physician or obstetrician before use. As general guidance, this product does not contain any ingredients which we would recommend to avoid during pregnancy, unless advised by your physician.
C-Tetra™ Eye
Full Size
Full Size