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Rating: 4.3Based on 31 reviews
  • Most helpful positive
    The post was made 5 months
    Rating: 5 out of 5
    verified customer

    The best C vitamin serum I've tried!

    I rarely buy the same skincare product twice because I always think I can find something better. That's why I've tried several dozen C vitamin serums over the past few years. This will be the first (and maybe only?) C vitamin serum I will buy again and again. I have normal to dry skin and I like that my skin glows and looks hydrated. This serum, along with my favorite sunscreen, is the only thing I use during the day, year-round. I can apply makeup over it immediately without my skin looking dry or things starting to roll or flake. My skin has never looked better than when I use this combo. Super good! #konkurranseinflutester
    2066 views
  • The post was made 1 week
    Rating: 4 out of 5

    Gives a nice glow

    I have tested C-tetra from Medik8 for six weeks. I am an experienced user of vitamin C serums and it is part of my daily routine along with SPF. My skin is dry, quite sensitive, and easily reacts with eczema and rashes. I also have some fine lines now at the age of 47. C-tetra is packaged in a dark heavy glass bottle that feels luxurious. What detracts from the luxury is the dropper, which is actually quite bad. It is difficult to dose and too much product easily comes out. The screw cap that the dropper is attached to is also not great; it has a poor fit and does not close tightly. So it’s definitely not something to take with you on a trip. It has a fresh orange scent that just smells incredibly good. The scent lingers for a few minutes after application before disappearing completely. The serum is very thin and fluid and absorbs incredibly quickly into the skin. As soon as it absorbs, the skin looks glowing and fresh. It is also the glow that I have noticed a difference in during these six weeks; it is more noticeable and the skin looks a bit clearer. It also works well under makeup along with my SPF, nothing rolls or anything. I was afraid my skin would react strongly when I started using the serum, but thankfully it did not. A little redness the first few times, then nothing at all.
    735 views
    • The user's roll: Lyko Creator. The comment was made 6 days
      How wonderful and luxurious! 😍☀️
      1 likes
  • The user's roll: Lyko Creator. The post was made 2 months
    Rating: 5 out of 5

    Superserum

    This is a fantastic oil-based serum that, despite being oil-based, is not thick and doesn’t ball up on the skin. I have dry, mature, and sensitive skin and usually need to use quite a bit of product to feel satisfied – this serum is no exception, but that entirely depends on my skin type. I really like the texture, even though I usually avoid other oil-based serums because of that. They often feel so “dry and clogging” when spread out, but this serum might be the exception that proves the rule? I think my skin feels more elastic now after using this serum for a good while. Considering that, and that it smells nice of orange and not disgusting like many other vitamin C serums, it gets full marks from me! #lykoreview #lykocreator
    939 views
  • The post was made 3 months

    Can it be used under the eyes

    Hi! Can this be used under the eyes?
    1014 views
    • The user's roll: Lyko Creator. The comment was made 3 months
      Hi Elise, This is not suitable for the eye area, so I recommend using a specially designed product for that 🥰 Wishing you a nice day!
  • The post was made 6 months
    Rating: 5 out of 5

    Best for my skin!

    I've been using this serum for about 2-3 months now and wow what a glow I've gotten. My skin is silky smooth and even. Looks a bit like I've had botox. I use it on my face/neck/decollete. I combine it with Retinol 10 from the same brand and will definitely continue with this. (41 years)
    2117 views
  • The post was made 7 months
    Rating: 3 out of 5

    Leaky pipette

    Oily, nice to apply. Big minus for the pipette that leaks and serum runs everywhere.
    2100 views
  • The post was made 11 months
    Rating: 1 out of 5

    No effect

    I noticed no difference at all after using this for a couple of months
    3111 views
    • The user's roll: Customer service at Lyko. The comment was made 11 months
      Hey Natalie 😀👋🏻 So sad that you haven't noticed any difference, even though you've been using the product for a couple of months 💔 We really understand that it feels frustrating when you don't get the results you hoped for. Since everyone's skin is different, it can be hard to find the right one right away. One tip is to take our skin test if you haven't already done so 👉🏻 lyko.com/sv/beauty-scan/hudtestet ! 💡 It helps you get personalized recommendations based on your skin type and needs – super convenient! ✨ Thank you so much for sharing your experience – it is really appreciated 💬💖
  • The post was made 1 year

    C vitamin serum

    Hi, should you keep this product in the fridge?🍋
    3077 views
    • The user's roll: Lyko Creator. The comment was made 1 year
      Hello! 🤍 Hi! The Medik8 C-Tetra Radiance Serum doesn't need to be stored in the fridge, but it's fine if you want to for an extra cooling sensation. Ideally, store it in a cool, dark place to maintain its effectiveness best🍋 Take care! 🌞
  • The post was made 1 years

    Hi

    I wonder if I can use it in the morning before I use MEDIK8 DAILY RADIANCE VITAMIN C 50 ML. Thanks for the answer 😊
    3479 views
    • The user's roll: Customer service at Lyko. The comment was made 1 years
      Hey hey Ana! 👋 Yes! It works well to use this in the morning before you use MEDIK8 Daily radiance vitamin c🤍 Take care!
      2 likes
  • The post was made 1 years
    Rating: 4 out of 5

    Good!

    Great scent, lovely on the skin and hasn't reacted negatively at all, only positively. The reason it doesn't get five stars is that I think the consistency is too runny and it's a bit difficult to apply it without everything getting absorbed into the palms first.
    3522 views
  • The post was made 1 years

    Question

    Hi, can this be combined with my products? If yes! How I want to know step by step
    4486 views
    • The comment was made 1 years
      Hey beautiful can you recommend a moisturizer that fits my products that I have posted pictures of

Medik8Skin AgeingC-Tetra Radiance Serum 30 ml

462 kr*
Recommended price 695 kr
WOW-price
Free delivery option available, can be sent immediately
* Cannot be combined with discount codes.

Restore radiance and fight visible signs of ageing with C-Tetra, a super-light daily vitamin C serum.
Antioxidant power is provided through vitamin C and E. Together, these actives help to combat sun and pollution-induced damage. The lightweight, uplifting formula stimulates the production of collagen and elastin to help reduce fine lines and wrinkles, as well as visibly brightening the complexion and balancing skin tone.

Using a lipid-soluble form of vitamin C called tetrahexyldecyl ascorbate, the formula penetrates deep into skin to provide powerful antioxidant protection with minimal irritation. C-Tetra has been carefully crafted in a water-free formula to be 100% stable, which means that the vitamin C does not degrade over time. This ensures that your formula remains highly potent from the very first use to the final drop.
Formulated with nourishing, pampering oils combined with the anti-ageing power of vitamin C, this fast-absorbing vitamin C serum is ideal for those looking for skin rejuvenation. Perfect for those who are new to vitamin C, or are looking to upgrade from C-Tetra Cream or Daily Radiance Vitamin C.

Use:
After cleansing in the morning, massage 4 drops across the face, neck and décolletage. Leave to absorb before applying moisturiser.

30 ml
  • Category:Serum

Also available in bundle

Medik8
C-vitamin Bundle Serum 30 ml & Cream 50 ml
1 015 kr
Without bundle: 1 018 kr

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