Travel, serums

C-Tetra® Luxe (Travel Size)

Supercharge your skin's radiance each morning with C-Tetra Luxe; clinically proven to reduce the appearance of wrinkles and hyperpigmentation in just 4 weeks.* It also works to boost visible radiance while supporting the skin barrier. Featuring twice the amount of vitamin C (14%) of our original C-Tetra serum, C-Tetra Luxe is ideal for those looking for enhanced skin radiance and antioxidant protection alongside deep nourishment. The velvety-soft serum is formulated with a stabilised (and therefore very potent) form of vitamin C called tetrahexyldecyl ascorbate (pronounced 'tetra-hexul-deckul as-CORR-bate'), which delivers proven results after just 1 use*; all with a gentle, nourishing experience for your skin.Please Note: Product packaging shown may be different to the product received due to regional variations*Proven via independent clinical study on C-Tetra Luxe conducted over 4 weeks on 36 participants Key Benefits Instant Skin Youthfulness Boosted with optimised red ginseng for proven skin-brightening and youth-boosting power. Total Skin Nourishment Enhanced with squalane and vitamin F for deep moisturisation and clinically proven skin barrier support. Dark Spot Reduction Delivers powerful, clinically proven action on the appearance of dark spots. Proven Results BEFORE AFTER 8 WEEKS BEFORE AFTER 8 WEEKS 1 hour to visibly brighter, more youthful-looking skin* 7 days to improved skin radiance* 81% agree visible hyperpigmentation had reduced in just 4 weeks* 94% noticed smoother and softer skin after just 1 use* 86% reported it was the best vitamin C serum they had ever used* *Proven via independent clinical study on C-Tetra Luxe conducted over 4 weeks on 36 participants. | Please Note: Product packaging shown may be different to the product received due to regional variations. How to Use First-time use If you're new to C-Tetra Luxe, we recommend a patch test at least 24 hours before first use. Learn how to patch test here . Step 1 After cleansing in the morning, massage 6 drops of C-Tetra Luxe across the face, neck and décolletage. Step 2 Leave to absorb before applying sunscreen. We recommend Advanced Day Ultimate Protect . Key Ingredients 14% Stabilised Vitamin C (tetrahexyldecyl ascorbate) A low-irritation form of vitamin C that delivers exceptional antioxidant protection against harmful free radical damage while supporting collagen production for a visibly even, more youthful-looking complexion. Squalane An almost skin-identical lipid which helps to support the natural skin barrier by nourishing the complexion. Maracuja (pronounced 'marra-KU-ja') Oil Naturally rich in nutrients and fatty acids, maracuja oil deeply nourishes your skin while providing additional antioxidant protection against free radical damage. Optimised Red Ginseng Boosts the serum’s brightening powers while stimulating collagen production for more youthful-looking skin. Maracuja (pronounced 'marra-KU-ja') Oil Naturally rich in nutrients and fatty acids, maracuja oil deeply nourishes your skin while providing additional antioxidant protection against free radical damage. Optimised Red Ginseng Boosts the serum’s brightening powers while stimulating collagen production for more youthful-looking skin. Vitamin E A powerful antioxidant that provides additional antioxidant protection against the ageing effects of free radicals. It also helps to boost the power of vitamin C for optimum visible results. See More View all Experts Recommended "Your skin needs this like the desert needs the rain!" POLLY VERNON Features Writer - The Times Luxurious and non-irritating...I love this product! BRIAN R Verified Medik8 Customer Help Products About Resources deborah c. 🇬🇧 Verified Buyer 18/09/26 Dannielle G. 🇬🇧 Verified Buyer 30/03/26 Yulia L. 🇺🇸 Verified Buyer 10/03/26 Svitlana T. 🇬🇧 Verified Buyer 09/01/26 Sharon S. 🇬🇧 Verified Buyer 06/01/26 Emel O. 🇺🇸 Verified Buyer 05/01/26