Medik8 C-tetra Advanced

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Medik8 C-Tetra Advanced – Powerful glow, without irritation

Let your skin shine with Medik8 C-Tetra Advanced, the smart vitamin C serum that tackles skin aging without compromising your skin barrier. Thanks to 20% stabilized vitamin C in combination with advanced phyto-exosomes, you will experience visibly smoother and more even skin within 7 days.

  1. Scientifically proven effectiveness: Smoothes fine lines and wrinkles, brightens complexion and strengthens your skin barrier – in one step.
  2. Intelligent formula: Protects against harmful external influences such as pollution and UV radiation, while actively nourishing the skin
  3. Without irritation: Suitable for daily use, even for sensitive skin. No redness, but results.
  • Product information

    Product information

  • Skin types / Skin problems

    Skin types / Skin problems

  • Ingredients

    Ingredients

  • Use case

    Use case

Product information

Medik8 C-Tetra Advanced is an ultra-powerful, oil-based serum with 20% stabilized vitamin C (THD Ascorbate) designed for maximum skin brightening and protection without irritation. The advanced formula is suitable for daily use and offers multiple benefits:

Benefits of Medik8 C-Tetra Advanced:

  • Powerful skin brightening: visibly reduces pigmentation, sun damage and dull skin

  • Anti-aging effect: stimulates collagen production and reduces fine lines and wrinkles

  • Protects against oxidative stress: neutralizes free radicals caused by UV, pollution and blue light

  • Very high stability: thanks to tetrahexyldecyl ascorbate it does not oxidize quickly and remains effective for a long time

  • Irritation-free operation: perfect for sensitive skin that cannot tolerate other forms of vitamin C

  • Strengthens the skin barrier: with squalane and jojoba for optimal nutrition and balance

  • Radiant glow: gives a fresh, even and healthy appearance

  • Perfect under make-up: light oily texture that absorbs quickly without feeling greasy

  • 100% vegan & cruelty-free

  • Free from perfume, parabens and alcohol

A true multitasker in your morning routine — for those who want to combine results and skin comfort.

CharacteristicDescription
Target audienceWomen, Men, Skin Lovers of all ages
Skin typeSuitable for all skin types, including sensitive and acne-prone skin
Skin problemsDull skin, pigment spots, fine lines, premature aging, loss of radiance
Product typeConcentrated Vitamin C Serum
ResultRadiant, even complexion, improved skin texture, visibly younger appearance
ApplicationApply to face, neck and décolleté every morning after cleansing.
Features of the productCruelty-free, vegan, paraben-free, fragrance-free, alcohol-free, non-comedogenic
Content30 ml pipette bottle
PackagingLuxury glass bottle with UV protective coating
BrandMedik8
Important ingredients20% Tetrahexyldecyl Ascorbate (Vitamin C), Vitamin E, Squalane, Jojoba Oil

Skin types / Skin problems

✔ Suitable for all skin types, including sensitive skin


✔ Ideal for:
– Dull skin / lack of glow
– Early signs of skin aging
– Pigment spots and an uneven skin tone
– Prevention of oxidative damage from UV and pollution

Ingredients

  • 20% Vitamin C (THD Ascorbate) – powerful and stable, for a radiant skin

  • Vitamin E – synergistic with vitamin C for increased antioxidant activity

  • squalane – nourishing and skin barrier-restoring

  • jojoba oil – soothing and non-comedogenic

Free from perfume, alcohol and parabens. Vegan and not tested on animals.

Use case

Apply 4-6 drops to clean, dry skin on the face, neck and décolleté in the morning. Follow with a Medik8-moisturizer and sunscreen. For maximum results, combine with other products from the CSA Philosophy (Vitamin C + SPF during the day, Vitamin A in the evening).

Frequently asked questions about C-Tetra Advanced

What does Medik8 C-Tetra Advanced for my skin?

Medik8 C-Tetra Advanced is a high-dose vitamin C serum that brightens the skin, reduces pigment spots, stimulates collagen and protects against premature skin aging.

What form of vitamin C is in C-Tetra Advanced?

This serum contains 20% Tetrahexyldecyl Ascorbate, a stable, oil-soluble Vitamin C that penetrates deeply without irritating the skin.

Is Medik8 C-Tetra Advanced suitable for sensitive skin?

Yes, the formula has been specially developed to be well tolerated even by sensitive skin types thanks to its mild but effective action.

When do I use Medik8 C-Tetra Advanced?

Use every morning after cleansing and before your day cream and SPF for optimal protection and glow.

helps Medik8 C-Tetra Advanced against pigment spots?

Yes, the serum actively works on hyperpigmentation and post-inflammatory spots, while helping to prevent new discolourations.

What is a C-Tetra en C-Tetra Advanced?

C-Tetra Advanced contains 20% Vitamin C and advanced penetration technology for faster, more powerful results than standard C-Tetra.

Can I combine this serum with other products? Medik8 Products?

Yes, C-Tetra Advanced fits perfectly within the Medik8 CSA routine concept and works synergistically with products such as Crystal Retinal en Advanced Day Total Protect.

Is this serum suitable for acne-prone skin?

Yes, the formula is light, does not clog pores and contains skin-soothing ingredients such as squalane and jojoba oil.

How long does it take before I see results?

You will often notice a more radiant skin within 7 days and a visibly more even complexion and finer skin texture after a few weeks.

Is Medik8 C-Tetra Advanced vegan and cruelty-free?

Yes, the serum is completely vegan and not tested on animals, like all products from Medik8.