Medik8 C Tetra Luxe: a Guru Score of 68% from 2 experts

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What the gurus are saying.

Every take we've logged from this product's reviews across YouTube. Click any row to watch the moment they said it.

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"I did try the C-tetra luxe, which is a richer oil and contains 14% tetrahecyldecyl ascorbat. Between this and the gel serum I much prefer the texture of the gel serum, I'm just not the biggest fan of oily textures. [...] I had no irritation whatsoever with it, but price-wise it differs from the gel serum by around €3, so I'd say go for whichever texture you prefer."

The Budget Dermatologist

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"The biggest selling point in this is the vitamin C component. [...] This is an oil-based serum. So if you are not used to or not looking for an oil-based type of serum this might not be for you. I actually like it. I like to use this at night. [...] The serum is so hydrating and just restores my skin and prevents dryness so well. [...] You can see it's a little oily."

All 2 takes from The Budget Dermatologist

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"The biggest selling point in this is the vitamin C component. [...] This is an oil-based serum. So if you are not used to or not looking for an oil-based type of serum this might not be for you. I actually like it. I like to use this at night. [...] The serum is so hydrating and just restores my skin and prevents dryness so well. [...] You can see it's a little oily."

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"This is one of my all-time favorite THD ascorbate forms of vitamin C by Medik8, it's the C Tetra Luxe. It has 15% or 14% something right around there of the THD ascorbate in it and it has vitamin E in it and some other great antioxidants. What's different about this one is the consistency, this is an oil-based serum, which is much different than what we're used to for typical water-based serums. I actually love to incorporate this one in my routine at night. It's more of a face oil, so it's definitely more like moisturizing. For me, I have more dry skin type, sensitive skin, so putting this oil on my skin at night is so nourishing and so moisturizing, and then when I wake up in the morning my skin just looks so dewy and so hydrated. If you have super oily skin or you're acne prone, you might not love the feel of this on your skin. It is kind of expensive, though this is a brand that goes on sale for 20 to 30% off fairly often, so I would kind of wait and jump on a sale if you can."

Common questions

Frequently asked.

What is Medik8 C Tetra Luxe?

A vitamin C serum from Medik8 in the C-Tetra Luxe line, formulated with a stable, oil-based vitamin C to brighten and hydrate skin.

Is Medik8 C Tetra Luxe worth it?

The gurus mostly approve it, but with enough reservations to keep it in the middle at a Guru Score of 68%.

What is Medik8 C Tetra Luxe's Guru Score?

Medik8 C Tetra Luxe holds a Guru Score of 68%. That is our read on how warmly the experts talk about it, based on the verdicts of 2 expert reviewers we have collected.