C-Tetra Luxe

serum · 30 ml · Skincare

Medik8 C-Tetra Luxe is free of fragrance, drying alcohol, sulfates, parabens and MI / MCI, going by its full 19-ingredient list, with vitamin C, squalane and vitamin E. List checked November 5, 2026.

The catch: it contains essential oils (Citrus Grandis (Grapefruit) Peel Oil), labelled fragrance allergens (Limonene, Citral) and silicones (Dimethicone).

Fragrance-free
Contains essential oils
Contains labelled fragrance allergens
No drying alcohol
Sulfate-free
Contains silicones
Paraben-free
No MI/MCI

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Key ingredients in C-Tetra Luxe

Vitamin C
An antioxidant that brightens and evens tone.
Squalane
A light, skin-compatible emollient.
Vitamin E
An antioxidant that protects the formula and the skin.

Full ingredient list, decoded

19 ingredients, in label order (highest amount first; below about 1% the order is free).

1SqualaneSqualane is a light, oil-like ingredient that softens skin and helps it hold moisture.…
2Simmondsia Chinensis (Jojoba) Seed OilJojoba seed oil is a light, liquid oil pressed from the seeds of a desert shrub. It…
3Tetrahexyldecyl Ascorbate
4DimethiconeDimethicone is a silicone, a light, water-resistant oil that forms a smooth, breathable…Silicones
5Candida Bombicola/Glucose/Methyl Rapeseedate FermentGlucose is a simple sugar, usually made from corn or other starches. In skincare it…
6Citrus Grandis (Grapefruit) Peel OilEssential oils
7Ethyl Linoleate
8Passiflora Edulis (Passion Fruit) Seed Oil
9Tocopheryl AcetateTocopheryl Acetate is a stable form of vitamin E. Its main job is to act as an…
10Helianthus Annuus (Sunflower) Seed Oil
11Olea Europaea (Olive) Fruit Oil
12Panax Ginseng Root Oil
13Prunus Amygdalus Dulcis (Sweet Almond) Oil
14Prunus Armeniaca (Apricot) Kernel Oil
15PPG-12/SMDI Copolymer
16LimoneneLimonene is a natural scent molecule found in citrus peel oils. It gives products a…Labelled fragrance allergens
17CitralCitral is a lemon-scented compound found in lemongrass and other citrus oils, used…Labelled fragrance allergens
18LinaloolLinalool is a fragrance compound found naturally in flowers and herbs, and in skincare…Labelled fragrance allergens
19Geraniol. C-Tetra® IntenseLabelled fragrance allergens

Source: Medik8 product page, eu.medik8.com/products/c-tetra-luxe, retrieved November 5, 2026.

Every flag we check

Check	Result	Ingredients found
Fragrance	None listed	—
Essential oils	Contains	Citrus Grandis (Grapefruit) Peel Oil (#6)
Labelled fragrance allergens	Contains	Limonene (#16), Citral (#17), Linalool (#18), Geraniol. C-Tetra® Intense (#19)
Drying alcohol	None listed	—
Sulfates	None listed	—
Silicones	Contains	Dimethicone (#4)
Parabens	None listed	—
MI / MCI	None listed	—
Formaldehyde releasers	None listed	—
Mineral oil & petrolatum	None listed	—
Lanolin	None listed	—
Chemical UV filters	None listed	—

Frequently asked questions

Is Medik8 C-Tetra Luxe fragrance-free?

Yes. Medik8 C-Tetra Luxe lists no parfum or fragrance, but it does contain essential oils (Citrus Grandis (Grapefruit) Peel Oil). Checked against its full ingredient list on November 5, 2026.

Does Medik8 C-Tetra Luxe contain silicones, sulfates or parabens?

Silicones: yes (Dimethicone). Sulfates: none listed. Parabens: none listed.

Which ingredient rules does Medik8 C-Tetra Luxe pass?

Its full list passes our ingredient rules for MI allergy, acne-prone skin, psoriasis and pregnancy. Key ingredients: Vitamin C, Squalane and Vitamin E.