The original, bestselling C-Tetra serum. A gentle yet effective lightweight vitamin C serum for restoring the appearance of skin radiance and minimizing the visible signs of aging.
- Brightens and evens out skin tone: The formula uses a stabilized lipid form of vitamin C (tetrahexyldecyl ascorbate) which helps visibly brighten the complexion and improve uneven colour.
- Boosts radiance and skin “glow”: Users report their skin looks more luminous and smoother with use.
- Helps reduce appearance of fine lines and wrinkles: Its antioxidant action supports collagen production and reduces visible signs of ageing.