Review: Klairs Freshly Juiced Vitamin C Serum


I’ve mentioned a couple of times that I love including vitamin C serum in my skin care routine. I’ve tried a couple of them already, but Klairs Freshly Juiced Vitamin C Serum was not on my list yet. I was very happy, that Wishtrend asked me whether I wanted to try this rather newly launched vitamin C serum because I’ve been very happy with all of Klairs products I tried so far. Let’s see how the Klairs Freshly Juiced Vitamin C Serum performs!

Klairs Freshly Juiced Vitamin C Serum

Klairs is a Korean brand sold on Wishtrend. It is eco-friendly, claiming to produce products which are animal-testing-free, alcohol-free, paraben-free, and artificial-color-free. Their products address people with sensitive skin and people who want to moisturize their skin. I reviewed some of their products before, like the Klairs Illuminating Supple BB Cream or the Klairs Gentle Black Cleansing Combo, which both convinced me in their effects. I also did like the Klairs Klairs Supple Preparation Facial Toner, which by the way has been updated and improved recently to a larger volume and more moisturizing ingredients. But let us return to the Klairs Freshly Juiced Vitamin C Serum for this post.

Klairs Freshly Juiced Vitamin C Serum

Klairs is known for a very simple packaging design, reminding me a bit of the brand Kiehl’s for example. compared to the other products the Klairs Freshly Juiced Vitamin C Serum has not just a simple black and white packaging but has imprinted a holographic illustration of the bottle on the cardboard box. I really love how colorful the packaging is, depending on from where the light shines on it. And yet, the packaging design is clean like we are used to from this brand. The vitamin C serum comes in a clear, thick plastic bottle with a dropper…WAIT?! What? A clear bottle for a vitamin C serum?! But we know that vitamin C oxidizes with sunlight exposure. This is the reason while serum like C20 is packed in a brown glass bottle! A closer look at the bottle reveals the sentence: “Hybrid Stabilization Technology”. It seems the ascorbic acid used in this serum is stabilized and thus not so prone towards oxidization according to Klairs. I know that ways to stabilize vitamin C are ferulic acid or vitamin E. Both of these are not included in the ingredient list as far as I can tell. Another way to have stabilized vitamin C is to use derivates. I see that the ingredient list contains also Sodium Ascorbyl Phosphate, which is a stable and water-soluble derivate of ascorbic acid. Nevertheless, I still do not know how they manage to stabilize the ascorbic acid listed as the third ingredient in the list. The product description it is stated that you should keep the product cool, dry and avoid its exposure to sunlight.…okay, why don’t they just make the bottle darker then?! Maybe because of the content of only 5% of vitamin C the effect whether vitamin C is still stable or already oxidized is too small to feel the difference? I don’t know to be honest. I would recommend you to store it in a dark place or simply inside the cardboard box anyways…

Klairs Freshly Juiced Vitamin C Serum

Compared to 20 % vitamin C which you can find in OST C20 Vitamin C serum 5 % sounds like nothing. So what is the advantage of using a higher dose of vitamin C in your serum? Vitamin C is an antioxidant and thus can prevent our skin from aging too early and from sun-damage. A high concentration of Vitamin C doesn’t mean automatically that it is more effective concerning anti-aging. Normally, a high concentration of Vitamin C aims at a visible effect, because it tends to operate as a chemical peeling by loosening dead and old cells. This is not a bad effect and stimulates the skin to regenerate itself, but keep in mind that it won’t affect the inner cell layers of your skin which have to be aimed if you really want an anti-aging effect. I know that for many the C20 Vitamin C serum with its high concentration is to harsh on the skin. With 5 % vitamin C serum you won’t have any problems with using it on sensitive skin, but you also won’t have the effect of regenerating skin. The benefit of the Klairs lies much more in the combination of all the ingredients together. You can check out the ingredients on COSDNA. The second key ingredient of Klairs Freshly Juiced Vitamin C Serum is that vitamin C is paired with Centella Asiatica extract. Centella Asiatica extract has various benefits since it has anti-bacterial, smoothing and soothing properties. Triterpenes are one of the key compounds within the Centella Asiatica extract. They stimulate the synthesis of collagen and fibronectin with the skin cells. One of the subgroups of the triterpenes (madesaddoside) has shown positive effects on wrinkles and sun-damaged skin in combination with vitamin C. Apart from these two key ingredients you will find a bunch of other plant extracts with different moisturizing and anti-bacterial properties, which round up the formula of this serum.

Klairs Freshly Juiced Vitamin C Serum

The included dropper makes it easy to use the product. The serum has a clear color and is slightly runnier than oil. Unlike the C20 serums, this vitamin C serum doesn’t feel like water either but has a similarity to a light oil or ampoule. When you distribute it on your face it has a smooth feeling. Additionally, the serum also has kind of a warming effect on the skin. I was really surprised about the formula, because it really reminded me of facial oil first, but didn’t make the face look greasy. It gives your skin a nice glow though. The scent is a citrus-herbal-lavender scent to me, but it is not overpowering.

Klairs Freshly Juiced Vitamin C Serum

Since I didn’t use it for a long time yet, I cannot show you any long-term effects, but even if I could I think you would not see much of a difference because my skin has been in a good condition for quite a while now. I can say for sure that it is much milder than the C20 vitamin C serums, yet, on the other hand, I don’t think that you can call this a pure vitamin C serum because of the low concentration. The main reason for why this serum is great and probably efficient for many is the combination of the ingredients and especially the combination of vitamin C with Centella Asiatica extract. 

Klairs Freshly Juiced Vitamin C Serum

I’m really fond of Klairs Freshly Juiced Vitamin C Serum because of the mild and pleasant formula and the benefits it combines by the combination of the two key ingredients vitamin C and Centella Asiatica. If you have sensitive skin I definitively recommend you this over the C20 serums, but if you are looking for a chemical peeling effect and quick renewing of your skin I still say that the C20 serums are better suited. I’d rather call the Klairs Freshly Juiced Vitamin C Serum not a pure Vitamin C serum. It is more a great combination serum of a bunch of great ingredients with nice long-term effects. You could call it cell-renew serum or something like this, but it is totally worth a try! You can get the Klairs Freshly Juiced Vitamin C Serum on Wishtrend for 23.00 US$. Don’t forget to check out the Wishtrend monthly vouchers in order to save some money on your order and get freebies. Also, if you are interested in Vitamin C serums, here is a list of my past reviews:

OST C20 Pure Vitamin C21.5 Advanced Serum

OST Original Pure Vitamin C20 Serum

Tunemakers VC3 Vitamin C Derivate

Maple Holistics Vitamin C Serum

Which is your favorite Vitamin C Serum so far?

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Just as a short reminder: All products mentioned and reviewed on this blog are of my personal opinions. This product here was sent to me for reviewing purpose by which doesn’t influence me in providing my honest opinion on the products.

14 thoughts on “Review: Klairs Freshly Juiced Vitamin C Serum”

  1. I agree with everything you said! I just reviewed the serum as well and actually liked it better than the OST C20, which did nothing for me and actually caused me to break out. I like how this one is more hydrating as well. It’s funny how (I think) we both came across the same study regarding the effects of combining madesaddoside and vitamin, haha. Great review, Fraulein :D
    Gloria last post…Review || Klairs Freshly Juiced Vitamin DropMy Profile

    1. Right?! It is super interesting! Did you also read that study from 2008 and the concentration of 5% vitamin C they use?! Super interesting result. A pitty the C20 does not work for you, but I think the Klairs serum is a great alternative for sensitive skintypes.

  2. Thank you so much for this review. I really was looking for a comparison review between the two as I was using the older version of the OST C 20 and you have helped me make my decision.

    Thanks again!

  3. Thank you for this post!
    Have just ordered this Serum and hope it will do good for my skin.
    I thought of trying this for a while before starting with the more “powerful” C20! :)

  4. I like this serum, it make my skin brighter, every morning, all I need is a tiny drop, it will help to make my dry skin feel moisturizers all day. Most cream moisturizers only keep my skin hydrated for part of the day, but I just need this once in the morning. It’s wonderful. Really thanks for your share.

  5. Awesome article on the different Vitiamin C products!! I will have to look into the Laguna Naturals. Keep up the informative articles, its incredibly helpful with all the products out there!

  6. Can i use this the next morning after i use BHA/AHA products? Or is it better to use it the next day (PM) for example sunday pm: bha/aha -> monday pm
    : vit c serum

  7. Does this serum oxidise quickly? I live in a college hostel so I don’t have my own fridge. I’m afraid if I just keep it in a dark closet the serum will still oxidise

  8. At what step in my skincare routine would I use this??

    Also, many have said that they use the Klairs serum in their daytime routine, and BHA/AHA’s in their night. Is that something you would recommend? :)

    My routine (day and night products all together):

    1. Oil Cleanser
    2. Foam Cleanser
    3. Toner
    4. Essence
    5. Klairs Freshly Juiced Vitamin C Serum
    6. BHA
    7. AHA
    8. Ampoule
    9. AHA 8% Peeling Serum
    10. Sheet Mask
    11. Eye Cream
    12. Moisturizer
    13. Sunscreen
    14. Sleeping Pack

    1. I use the Klairs serum during day and BHA/AHA or Retinol during night. But your routine sounds perfectly fine to me. I’m no skin expert though, but as long as you don’t observe any irritations you can continue using everything in that order.

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