Medik8 C-Tetra Luxe Travel Size 8ml bottle shown with its box

Medik8 C-Tetra Luxe Travel Size key benefits

Medik8 C-Tetra Luxe Travel Size before and after results

Medik8 C-Tetra Luxe Travel Size alongside the wider Medik8 range

How to layer Medik8 C-Tetra Luxe Travel Size in your routine

Dermatologist view on Medik8 C-Tetra Luxe Travel Size

Medik8 C-Tetra Luxe Travel Size and the Medik8 CSA Philosophy

Medik8 vitamin C range comparison including Medik8 C-Tetra Luxe Travel Size

Medik8 C-Tetra Luxe Travel Size

Name: Medik8 C-Tetra Luxe Travel Size
Brand: Medik8
Price: 20.00 GBP
Availability: InStock

30ml8ml Travel Size

£20.00

Tax included.

✓ 14% Stabilised Vitamin C | ✓ Visibly Brighter Skin in 1 Hour | ✓ 8ml Travel Size

Medik8 C-Tetra Luxe Travel Size is the enhanced 14% vitamin C radiance serum (the serum previously known as C-Tetra Intense) in an 8ml dropper bottle, previously sold as the Try Me size – the same velvety, lipid-based formula as the full 30ml, sized for travel or a first trial. Tetrahexyldecyl ascorbate, a stabilised and low-irritation form of vitamin C, delivers double the concentration of the original C-Tetra, backed by squalane, maracuja oil, optimised red ginseng and vitamin E for antioxidant protection alongside deep nourishment.

Because Medik8 C-Tetra Luxe Travel Size is oil-based rather than water-based, it feels cushioning rather than tingly, and the brand's independent clinical study showed visibly brighter skin after just 1 hour, smoother and softer skin after one use, and a visible reduction in the look of dark spots and wrinkles within 4 weeks.*

Visible Results Users Love

1 hour to visibly brighter, more youthful-looking skin*
7 days to improved skin radiance*
81% saw the appearance of dark spots reduce in just 4 weeks*
94% noticed smoother, softer skin after just 1 use*
86% rated it above any vitamin C serum they had used before*
*Independent clinical study on C-Tetra Luxe over 4 weeks on 36 participants

Why This Beats a Water-Based Vitamin C

Ascorbic acid serums oxidise quickly and can sting. Medik8 C-Tetra Luxe Travel Size uses a lipid-soluble vitamin C that stays stable in the bottle and gentle on the skin, so you get the brightening and antioxidant benefits without the irritation – and an 8ml bottle you will finish while it is still fresh.

Best For

Dull or uneven-looking skin, visible dark spots, dryness, and anyone stepping up from the original C-Tetra who wants to trial the stronger serum first; it is also hand-luggage ready. For a potent yet gentle vitamin C that travels, Medik8 C-Tetra Luxe Travel Size is the one to pack.

With over 20 years as an aesthetic nurse in specialist skincare and medical aesthetics, Becci is asked about vitamin C more than almost anything else. C-Tetra Luxe is the serum she recommends to clients who found other vitamin C formulas too harsh, and the travel size lets you test that for yourself before investing in the 30ml.

Size: 8ml

FAQS

Is Medik8 C-Tetra Luxe Travel Size the same as the Try Me size? +

Yes. Medik8 now labels its minis 'Travel Size'; older cartons and some stockists still say 'Try Me'. It is the same 8ml dropper bottle and the same 14% formula as the 30ml C-Tetra Luxe.

Is C-Tetra Luxe the same as the old C-Tetra Intense? +

Yes – C-Tetra Intense was renamed C-Tetra Luxe. It is the same enhanced 14% lipid vitamin C serum; if you are matching it to an older bottle, compare the full ingredient list under Other Ingredients.

What is the difference between Medik8 C-Tetra and C-Tetra Luxe? +

Both use the same stabilised, oil-soluble vitamin C. C-Tetra contains 7% and is the gentle starting point; C-Tetra Luxe doubles it to 14% and adds squalane, maracuja oil and red ginseng for stronger visible brightening with extra nourishment.

How long does the 8ml Medik8 C-Tetra Luxe Travel Size last? +

At the recommended 6 drops each morning, roughly three to four weeks – long enough to see the 7-day radiance results and get a sense of the 4-week improvement in the look of dark spots.

Is this the best vitamin C serum for dark spots? +

It is one of Medik8's strongest options for the appearance of dark spots and uneven tone: in the brand's independent study, 81% of users saw the look of dark spots reduce within 4 weeks. Daily sunscreen is essential alongside it.

Can I use C-Tetra Luxe with retinol or Crystal Retinal? +

Yes – that pairing is the basis of Medik8's CSA Philosophy. Use C-Tetra Luxe with sunscreen in the morning and your retinol or retinal at night.

Does Medik8 C-Tetra Luxe sting or irritate sensitive skin? +

It is formulated with a low-irritation form of vitamin C in a nourishing oil base, so it is far gentler than ascorbic acid serums. As with any active, patch test first, and if your skin is very reactive start with the original 7% C-Tetra.

Can I take Medik8 C-Tetra Luxe Travel Size in hand luggage? +

Yes. The 8ml glass dropper bottle is well under the 100ml liquids limit for cabin bags.

Can I use Medik8 C-Tetra Luxe Travel Size during pregnancy or breastfeeding? +

It contains no vitamin A, and vitamin C serums are generally considered suitable during pregnancy and breastfeeding. Medik8 cannot give medical advice, so please check the full ingredient list with your GP or midwife if you have any concerns.