Medik8 C-Tetra 30ml
The original, bestselling C-Tetra serum. A gentle yet effective lightweight vitamin C serum for restoring skin radiance.
Medik8 C Tetra Serum 30ml – Brighten Your Skin
Brighten and Revitalize Your Skin with Medik8 C-Tetra Serum
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Last updated: 22 Dec 2025
7% VITAMIN C SERUM / 30ML
Restore your glow with Medik8’s original C-Tetra® serum — a bestselling, lightweight vitamin C formula designed to brighten the complexion, support collagen production, and defend against visible signs of ageing. Ideal for skincare beginners or those in their 20s and 30s, this gentle yet effective serum contains a lipid-soluble, highly stable form of vitamin C (tetrahexyldecyl ascorbate) combined with vitamin E for enhanced antioxidant protection.
- 7% stable vitamin C for radiant skin
- Fights free radical damage from sun and pollution
- Helps maintain collagen and elastin
- Minimises signs of premature ageing
- Reduces appearance of pigmentation and uneven tone
- Lightweight texture absorbs quickly – ideal under makeup
- Suitable for all skin types, especially sensitive or first-time vitamin C users
DIRECTIONS OF USE: After cleansing in the morning, apply 4 drops directly onto the face, neck, and décolletage. Gently massage and allow to absorb before following with your Medik8 moisturiser and sun protection.
KEY INGREDIENTS:
Vitamin C (Tetrahexyldecyl Ascorbate) – lipid-stable form for deeper penetration and stability.
Vitamin E – antioxidant that works synergistically with vitamin C to defend against environmental damage.
Recommended by our skin specialists across our Perth clinics, C-Tetra is a go-to antioxidant serum that fits seamlessly into a morning skincare routine and provides daily radiance-boosting benefits.
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