Medik8 C-Tetra Advanced Vitamin C Serum with Hyaluronic Acid & Squalane | Hydration, Brightening, Plumping

Elevate Your Daily Skincare with Medik8

Medik8 C-Tetra Advanced builds on the brand’s CSA philosophy—Vitamin C by day, Vitamin A by night—delivering a balanced approach to daily skin care. This serum brings together a stabilized vitamin C complex, hydration-driven hydrators, and barrier-supporting ingredients to help the complexion look radiant and refreshed over time. It’s formulated to be gentle enough for a wide range of skin types, including sensitive skin, while fitting into a straightforward morning routine.

What makes it feel modern and effective:

• Active vitamin C in a stabilized form to support a brighter, more even appearance without heavy feeling on the skin.
• Hyaluronic acid and squalane work together to deliver moisture and a plump, smooth surface that many users notice after regular use.
• Phyto Exosomes and antioxidants are included to help calm the skin and defend against daily environmental stressors.
• The serum is designed to glide on smoothly and absorb quickly, leaving a comfort-rich finish without a greasy afterfeel.

How it fits into a routine

• Morning use as part of a simple daytime routine paired with sunscreen for daytime protection.
• Compatible with most skin types, with a formulation that aims to minimize irritation while delivering multiple hydrating benefits.

Why customers choose C-Tetra Advanced

The formula emphasizes hydration and a clarified complexion, supported by a robust combination of vitamin C, hyaluronic acid, and squalane. While results can vary, many users report a refreshed look and a more even-toned appearance with regular use, alongside a light, non-greasy feel that blends well under makeup or moisturizer.

Key ingredients and sensations

Expect a lightweight, fast-absorbing texture that leaves skin feeling nourished rather than coated. The hyaluronic acid helps attract moisture, while the squalane helps to maintain a supple surface. The stabilized vitamin C targets daily brightness and helps protect the skin’s surface from visible signs of environmental stress.

For best results, pair with daily sunscreen and a nighttime routine that supports cell turnover. The product is designed to fit into a simple, science-backed skincare approach, making it easy to tailor to personal needs without complicated steps.