Enhance your skin's luminosity each day with Medik8's C-Tetra Luxe; clinically proven to reduce the appearance of fine lines and pigmentation in just 4 weeks.* The advanced formula brightens the complexion and visibly strengthens the skin barrier, while seeking to minimise the look of dark spots and dryness.
With double the vitamin C content (14%) compared to the original C-Tetra serum, the potent formula is ideal for those seeking a boost of natural radiance and antioxidant protection, paired with deep hydration. Boasting a velvety-smooth texture, the serum contains a stabilised and highly potent form of vitamin C known as tetrahexyldecyl ascorbate, helping to deliver noticeable results after just one application*, providing a gentle, nourishing experience for your skin.
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.
After cleansing in the morning, massage 4 drops across the face, neck and décolletage. Leave to absorb before applying further products.
Squalane, Simmondsia Chinensis (Jojoba) Seed Oil, Tetrahexyldecyl Ascorbate, Dimethicone, Candida Bombicola/Glucose/Methyl Rapeseedate Ferment, Citrus Grandis (Grapefruit) Peel Oil, Ethyl Linoleate, Passiflora Edulis (Passion Fruit) Seed Oil, Tocopheryl Acetate, Helianthus Annuus (Sunflower) Seed Oil, Olea Europaea (Olive) Fruit Oil, Panax Ginseng Root Oil, Prunus Amygdalus Dulcis (Sweet Almond) Oil, Prunus Armeniaca (Apricot) Kernel Oil, PPG-12/SMDI Copolymer, Limonene, Citral, Linalool, Geraniol.
For the latest information, it is recommended to review the ingredient list printed on the packaging of the product prior to usage or consumption.
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Top Customer Reviews
Where reviews refer to foods or cosmetic products, results may vary from person to person. Customer reviews are and do not represent the views of The Hut Group.
Medik8
Smells amazing and feels even better! My skin looked brighter after just a few days, so I'm really hopeful for long term improvements.
by Nimsy Verified Purchase
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Indulge!
The best Vitamin c I have used. Gentle yet effective, absorbs easily and leaves my skin glowing! I’ve had many compliments on my skin since I’ve started using this. Absolutely fantastic!!
by Emma Verified Purchase
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Obsessed
Love this vitamin C serum. Smells lovely, applies well - feels oily but isn’t too thick
by Amelia Verified Purchase
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Vitamin c
Just started using this! And Wow it already giving me a glow and works so well as a make up primer! Amassing product!
by Honey Verified Purchase
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Love it!
I think I have used few bottles of it already. I have combination skin. Sensitive. And this oil feels very good on my skin. Worth trying for sure.
by Inna Verified Purchase
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Adore this stuff!
I first tried Medik8 C-Tetra Luxe as part of a free trial for their CSA range and even though there was only enough of it for about 3 days I was hooked and knew I’d invest in a full sized bottle. It’s soooo nice on my skin, a really luxurious sensation and the serum soaks in well without feeling greasy but leaves my face feeling like it’s had some TLC. Waited til it was on offer to buy as it’s pricey but such a treat!
by Fiona Verified Purchase
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Favourite vit c
I've swayed a couple of times to other vit c, but always end up coming back to this! I'm a big fan of all medik8 products!
by hayley Verified Purchase
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fab Vit C serum
I have been using this serum for over a year now and wouldn’t use any other brand. I have seen a difference in my skin - it’s much brighter and fresher looking. The best vit c product for me.
by Nadine Verified Purchase
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Excellent product
This product goes on so nicely like an oil but sinks in well into the skin after few minutes. It is making my skin glow and has definitely reduced some dark spots. It’s brightened up my skin which is what I needed. The price is worth it in my opinion. The texture is easy to work with and glides on. I use 4-5 drops all over the face and neck.
by Koyel Verified Purchase
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Would buy again
A good formula, this doesn't cause my make up to pill so you can use this in the morning. Had a slight citrus smell and is very thin watery texture so doesn't sit too long on skin. I would buy again.
by Teya Verified Purchase
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