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Medik8 C-Tetra Luxe 30ml

Medik8 C-Tetra Luxe 30ml

%0 4.74 | 1709 reviews
Box

£47.20 £59.00 (£1.57 per ML)

In stock

If you like we can let you know when we have some more.

Boost your skin’s radiance each morning with Medik8’s C-Tetra Luxe - clinically proven to reduce the appearance of wrinkles and hyperpigmentation in just 4 weeks.*

Working to boost visible radiance and support your skin barrier, C-Tetra Luxe features twice the amount of vitamin C (14%) compared to Medik8’s original C-Tetra serum. Formulated with a stabilised and potent form of vitamin C ( tetrahexyldecyl ascorbate), C-Tetra Luxe gives the skin a healthy glow after just 1 use*; all while providing the skin with a gentle, nourishing experience.

Lightweight and velvety-soft in texture, 81% reported C-Tetra Luxe was the best vitamin C serum they had ever used.*

This is the ideal vitamin C serum for those looking for enhanced skin radiance and antioxidant protection alongside deep nourishment.
*Proven via independent clinical study on C-Tetra Luxe conducted over 4 weeks on 36 participants

Key Benefits:
Instant Skin Youthfulness
Enhanced with optimised red ginseng for proven youth-boosting bower and visibly brighter, more youthful-looking skin in 1 hour.*
*Proven via independent clinical study on C-Tetra Luxe conducted over 4 weeks on 36 participants

Dark Spot Reduction
Delivers potent, clinically proven action on the appearance of dark spots. 81% agree visible hyperpigmentation had reduced in just 4 weeks*
*Proven via independent clinical study on C-Tetra Luxe conducted over 4 weeks on 36 participants

Total Skin Nourishment
The addition of vitamin F and squalane provides deep moisturisation and clinically proven skin barrier support. 94% noticed smoother and softer skin after just 1 use*
*Proven via independent clinical study on C-Tetra Luxe conducted over 4 weeks on 36 participants

Proven Results:
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

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.

Squalane
A near skin-identical lipid that helps to support the skin’s natural barrier for a nourished complexion.

Maracuja Oil
Rich in fatty acids and nutrients, maracuja oil provides your skin with antioxidant protection against free radical damage, while deeply nourishing your complexion.

Optimised Red Ginseng
Stimulates collagen production and boosts the serum’s brightening powers for youthful-looking skin.

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:
DERMATOLOGICALLY TESTED
CLINICALLY PROVEN FORMULA
NO ARTIFICAL FRAGRANCE
NO SYNTHETIC COLOURS
PARABEN FREE
ALCOHOL FREE
CERTIFIED BY THE VEGAN SOCIETY


MORE INFORMATION
DERMATOLOGICALLY TESTED
CLINICALLY PROVEN FORMULA
NO ARTIFICAL FRAGRANCE
NO SYNTHETIC COLOURS
PARABEN FREE
ALCOHOL FREE
CERTIFIED BY THE VEGAN SOCIETY

Directions

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.
How to Layer C-Tetra Luxe
AM: In your morning skincare routine, apply C-Tetra Luxe after cleansing and toning. Always follow with sunscreen.

Ingredients

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.

+Offer

FREE Advanced Day Total Protect 50ml when you spend £95 on Medik8.*

*One free gift per order. Valid until the 11th of August or whilst stock lasts. Your free gift will automatically add to the shopping bag page. Total value at order summary must be £95 or more worth of Medik8 products, after any Promotion Code, Brands You Love discount and before delivery charges are applied. Excludes Gift Voucher and Fragrance Gift Box purchases. Cannot be used in conjunction with any other Promotion and this offer is not applicable to previously made or pending purchases. This offer is available online at Sephora.co.uk to UK Mainland customers only.

Shop this offer

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Rated 5 out of 5 by from Visible result Visible skin improvement witin days, very very impressed. A little goes a long way.
Date published: 2025-07-19
Rated 5 out of 5 by from Great product This has made a great difference to my skin. It is so hydrating and gives my skin a glow. The best I have ever used.
Date published: 2025-07-19
Rated 5 out of 5 by from Medik8 C-Tetra is a lightweight Medik8 C-Tetra is a lightweight and effective vitamin C serum that brightens the skin and boosts radiance. Enriched with tetrahexyldecyl ascorbate, a stable form of vitamin C, it helps to protect against environmental damage and evens out skin tone over time. The formula absorbs quickly and layers well under moisturizer or sunscreen. With regular use, the skin looks fresher, more luminous, and healthier. It’s a great daily antioxidant serum for all skin types, even sensitive.
Date published: 2025-07-18
Rated 5 out of 5 by from Lovely oil. Lovely scented oil that moisturisers well & hopefully provides other benefits too.
Date published: 2025-07-18
Rated 5 out of 5 by from I really do like the I really do like the way this product goes on the skin and feels once applied - pleasant smell of I would say orange As for the usage - softens the skin I’ve been having microneedling and seems to work well with this on reduction of the wrinkles
Date published: 2025-07-18
Rated 5 out of 5 by from Great results and very pleased Great results and very pleased with what it has done to my skin
Date published: 2025-07-18
Rated 5 out of 5 by from Favourite Vitamin C My go-to vitamin C, it's texture is so light and it soaks in to the skin really well. Smells nice and is a little boost every morning! My skin has certainly appeared more even since using it.
Date published: 2025-07-18
Rated 5 out of 5 by from Love Advanced Night Restore. Bought Love Advanced Night Restore. Bought multiple times now. Soaks right in and not greasy. Just wish the jar was refillable.
Date published: 2025-07-17
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