C-Tetra® - Centro de Estética Itziar y Mariángeles
C-Tetra® - Centro de Estética Itziar y Mariángeles
C-Tetra® - Centro de Estética Itziar y Mariángeles
C-Tetra® - Centro de Estética Itziar y Mariángeles
C-Tetra® - Centro de Estética Itziar y Mariángeles
C-Tetra® - Centro de Estética Itziar y Mariángeles
C-Tetra® - Centro de Estética Itziar y Mariángeles
C-Tetra® - Centro de Estética Itziar y Mariángeles
C-Tetra® - Centro de Estética Itziar y Mariángeles
C-Tetra® - Centro de Estética Itziar y Mariángeles
C-Tetra® - Centro de Estética Itziar y Mariángeles
C-Tetra® - Centro de Estética Itziar y Mariángeles

C-Tetra®

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C-Tetra®

The original and best-selling C-Tetra serum. A gentle yet effective lightweight vitamin C serum to restore the appearance of skin and minimize visible signs of aging.

BENEFITS
C-Tetra promotes a youthful and luminous-looking complexion. Skin immediately feels soft, supple and smooth.
RESULTS
Vitamin C minimizes the appearance of fine lines and wrinkles over time, while helping to balance and visibly brighten skin tone.
KEY INGREDIENTS
Tetrahexydecyl Ascorbate (Vitamin C) & Vitamin E

C-Tetra® Key Benefits

  • daily shine
    This silky serum with jojoba oil gives skin an effortless boost of luminosity, promoting a visible, healthy glow.
  • Antioxidant Power
    Vitamins C and E protect daily from harmful free radicals generated by sun exposure, which can cause premature skin aging.
  • Gentle but effective
    Tetrahexydecyl ascorbate is a mild, stabilized form of vitamin C, making it perfect for those new to vitamin C or for sensitive skin who don't want to compromise on results.
  • Looking for more power?
    C-Tetra Luxe, with double the concentration of vitamin C than C-Tetra and with additional brightening and nourishing ingredients for supercharged results.

How C-Tetra® works

The skin contains natural antioxidants that act to defend against free radicals in the environment. When these environmental free radicals overwhelm the skin's antioxidants, the skin can no longer protect itself. Free radicals attach themselves to defenseless skin cells, causing irreparable damage, ultimately leading to premature skin aging.
  1. C-Tetra protects the skin from damage caused by free radicals, as it contains vitamin C to increase the skin's natural antioxidant defense levels. Vitamin C is a fundamental pillar of our CSA philosophy, as it is one of the most powerful vitamins for preventing signs of premature skin aging. Vitamin C also helps stimulate collagen production and can disrupt the overproduction of melanin to lighten the look of dark spots and uneven skin tone. The result? Visibly radiant, healthier and younger-looking skin. C-Tetra contains tetrahexydecyl ascorbate, a form of vitamin C that is a stabilized modification of ascorbic acid (the purest form of vitamin C) that is gentle on the skin but proven to deliver visible results.
  2. Vitamin C and vitamin E act synergistically as "network antioxidants", enhancing the overall antioxidant effect of the serum to keep the skin protected throughout the day.
  3. C-Tetra is based on jojoba seed oil, for light nutrition and an instant luminous look. This natural emollient oil glides effortlessly across the skin barrier, delivering the benefits of vitamin C with ease.
  4. The perfect pairWhen combined, vitamin C and sunscreen provide the skin with maximum protection from the sun and the environment throughout the day, to minimize signs of premature aging. Shop our recommended Advanced Day Total Protect day cream here.

How to use C-Tetra®

  1. After morning cleansing, apply 4 drops to face, neck and décolleté.
  2. Let it absorb before applying sunscreen. We recommend Advanced Day Total Protec

Ingredients

Tetrahexydecyl ascorbate
A fat-soluble form of vitamin C that provides exceptional antioxidant protection against harmful free radicals, while stimulating collagen production for a younger-looking complexion.
Vitamin E
A fat-soluble antioxidant that is naturally present in the skin. Vitamin E protects the skin from free radicals and regenerates with vitamin C for optimal potency.

C-Tetra® Ingredient List

C-TETRA®
Vitamin C Antioxidant Serum

Simmondsia Chinensis (Jojoba) Seed Oil, Cyclopentasiloxane, Cyclohexasiloxane, Tetrahexyldecyl Ascorbate, Citrus Grandis (Grapefruit) Peel Oil, Tocopheryl Acetate, PPG-12/SMDI Copolymer, Limonene, Citral, Linalool, Geraniol.

*While we do our best to ensure this ingredient list is accurate, however, there may be product updates from time to time or minor variations depending on local laws, meaning the only definitive ingredient list is the one is printed on the product packaging.
  • DOES NOT CONTAIN ARTIFICIAL FRAGRANCES
  • DOES NOT CONTAIN PARABENS
  • SUITABLE FOR VEGANS
  • ZIPPER FOUNDATION
  • DOES NOT CONTAIN SYNTHETIC COLORS
  • DOES NOT CONTAIN PHTHALATES
  • WITHOUT ALCOHOL
  • NOT TESTED ON ANIMALS

The science

"It is exceptionally difficult to formulate a long-lasting vitamin C serum that maintains its power over time. It is notoriously unstable, sensitive to oxidation and can often turn yellow, indicating that it has been lost. The C range -Tetra from Medik8 uses an extremely stable form of vitamin C, called tetrahexyldecyl ascorbate. This molecule is altered to be less reactive to oxidation, meaning that even 6 months later you can be sure that your vitamin C is still as powerful as when he first opened it.

Daniel Isaacs, Research Director at Medik8

Size

30 ml. / 1.0 Fl. Oz.