Restore the appearance of skin radiance in just 7 days* with Medik8's cult favourite C-Tetra serum. Expertly formulated by their skincare experts with a stabilised form of vitamin C (tetrahexyldecyl ascorbate ), this lightweight serum reduces the appearance of fine lines and wrinkles and visibly brightens uneven skin tone - all while remaining gentle on sensitive skin. The addition of antioxidant-rich vitamin E protects the skin against the damaging and ageing effects of free radicals for a more healthy, youthful-looking complexion overall. The perfect daily serum for those who are new to vitamin C, or have sensitive skin. *Proven via independent consumer study conducted over 4 weeks on 52 participants with sensitive skin. Key Benefits: Increased Skin Youthfulness Proven to smooth the appearance of fine lines and wrinkles and visibly boost skin's radiance in 7 days* *Proven via independent consumer study conducted over 4 weeks on 52 participants with sensitive skin. Brighter, More Even Complexion Proven to visibly brighten the skin in 7 days* and reduce the appearance of wrinkles & dark spots in 4 weeks* *Proven via independent consumer study conducted over 4 weeks on 52 participants with sensitive skin. Gentle, Lightweight Nourishment The jojoba seed oil-based formula delivers non-greasy yet effective nourishment for visibly comforted and softer skin. 87% of sensitive skins agree this is the most gentle vitamin C serum they have ever used* 96% of sensitive skins agreed C-Tetra was gentle on the skin* *Proven via independent consumer study conducted over 4 weeks on 52 participants with sensitive skin. Proven Results: 7 days to restored skin radiance* 7 days to visibly brighter 96% of sensitive skins agreed C-Tetra was gentle on the skin* 4 weeks to visibly reduced wrinkles & dark spots* 90% agree skin feels instantly softer* *Proven via independent consumer study conducted over 4 weeks on 52 participants with sensitive skin. Key Ingredients: Stabilised Vitamin C (tetrahexyldecyl ascorbate) This stable, low-irritation form of vitamin C is incredibly effective on the skin; delivering exceptional protection against ageing free radicals. Supporting collagen production and brightening the skin tone, it leaves the complexion visibly more even, radiant and youthful-looking. Vitamin E Rich in antioxidants, vitamin E helps to protect the skin against ageing free radicals. It also helps to boost the power of vitamin C for maximum visible results. Good to Know: NO ARTIFICIAL FRAGRANCE NO SYNTHETIC COLOURS PARABEN FREE CERTIFIED BY THE VEGAN SOCIETY Medik8’s cult-favourite vitamin C serum, featuring stabilised vitamin C that is gentle on sensitive skins and vitamin C-beginners, yet effective in delivering visible brightening results.Up to 6 months supply from a full size bottle (2 months' supply from a travel size).. KEY BENEFITS. A proven low- irritation formula, 96% of sensitive skins found C-Tetra to be gentle on their skin.*. RESULTS. Vitamin C minimises the appearance of fine lines and wrinkles over time, while helping to visibly balance and brighten the skin tone.. KEY INGREDIENTS. Tetrahexyldecyl Ascorbate (Vitamin C) & Vitamin E The Medik8 C-Tetra Serum delivers powerful antioxidant protection against environmental stressors while minimising the look of uneven skin tone for a visibly brighter finish. Infused with a stable form of vitamin C, the lightweight serum helps to reduce the appearance of unwanted pigmentation. Vitamin E enhances the formula to nourish the skin with a potent burst of moisture, subsequently plumping the appearance of fine lines for a smoother-looking finish. The brightening serum leaves skin looking more radiant and supple in just seven days*. *Proven via independent consumer study on C-Tetra conducted over 4 weeks on 52 participants with sensitive skin Proven Results: After seven days the skin appears more radiant* After seven days the skin is visibly brighter and smoother * 96% of sensitive skin types agreed C-Tetra was gentle on the skin* After four weeks skin looks visibly reduced fine lines and dark spots* 90% agree skin feels instantly softer* *Proven via independent consumer study conducted over 4 weeks on 52 participants with sensitive skin.