Medik8 fans say new vitamin C serum gives a ‘visible glow’ in one week

‘My skin drinks it right up. I see a visible improvement in the glowy-ness and bounce of my skin after about one week’

The Mirror’s shopping team is always on the lookout for beauty launches worth shouting about – from Laneige’s Maple Glaze Lip Serum (£19) to Merit’s Uniform Tinted Mineral Sunscreen (£34). So when we caught wind of Medik8’s new C-Tetra Advanced 20% Vitamin C Gel-Serum, the excitement was real.

Medik8, best known for its science-led formulas and results-driven skincare (hello, Crystal Retinal), is already a staple for many glow-chasers. So naturally, we assumed this new serum would be a hit – and early reviews prove us right.

Shoppers say the gel serum gives them a ‘visible glow’ within a week, with one saying it ‘gives a nice radiance to the face.’ In clinical trials, 100% of users reported visibly brighter skin and a reduction in fine lines within seven days.

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So, what makes this serum different from your standard vitamin C dropper? It uses tetrahexyldecyl ascorbate, a stabilised form of vitamin C that penetrates deeply to brighten and even skin tone.

Fans can also expect hyaluronic acid to hydrate, as well as phyto-exosomes, which are plant-based ingredients known for calming inflammation and strengthening the skin barrier. Basically, it’s like a regular vitamin C serum – but turned up to 11.

If you’re starting your glow-up journey, there are plenty of other radiance-boosting formulas to explore. We also rate Sunday Riley’s C.E.O Glow Oil (£68), which is ideal for dry skin. Otherwise, Ole Henriksen’s Banana Bright Vitamin C Serum (£44.25) is a cult favourite that helps fade dark spots and improve fine lines.

However, as mentioned, Medik8’s C-Tetra already has a solid 4.8-star rating. One person said: “This is such a beautiful silky serum. My skin drinks it right up. I see a visible improvement in the glowy-ness and bounce of my skin after about one week.”

Another said: “I’m enjoying this so far. It has a smooth consistency, white in colour, and smells like a juicy tangerine. It doesn’t burn or sting my somewhat sensitive skin. I trust this brand and feel confident that I’ll get good results and protection from it during the day.”

However, another noted: ‘I’m not a fan, sorry. I prefer the C-Tetra Lux, as I feel this one leaves my skin less hydrated and does not give that glow.’ It’s very smooth and sinks in quickly, leaving my skin more even and poreless, but I prefer a more hydrating vitamin C.”

But someone else chimed in: “The C-Tetra advanced is the perfect consistency that goes onto the skin nice and smoothly and is not greasy. It has a lovely smell and gives a nice radiance to the face.”

Meanwhile, a happy buyer said: “I’ve been using the normal vitamin C for some time and just stepped up to this one. It’s as good as ever, and you can see the results in a week. As a matter of fact, all Medik8 products are excellent.”