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THE REVIEW: Klairs Freshly Juiced Drop Vitamin C Serum

July 16, 2015 Charlotte Cho

So did my last blog post about Vitamin C get you a little excited? I hope so :) 

Now as promised, here is a little bit of info about shopping for the right Vitamin C serum, because there are a few things you should know...

Is Pure Vitamin C the best?

There are those who say Vitamin C serum in its purest form is the most effective. Ingredient lists show this form of unstabilized Vitamin C as “ascorbic acid” or “l-ascorbic acid.” However, that’s not necessarily the case because it has such a short shelf life.

Pure Vitamin C is easily destabilized by light and oxygen. You can take precautions to prevent that from happening, such as keeping it in a dark bottle and keeping it sealed tight in a cool place away from light, but no matter how well you store pure Vitamin C, its effectiveness actually naturally drops after about a month. You’ll know when it is no longer effective when your formula turns an ugly brown color.

On the flip side, Vitamin C that has been stabilized ( i.e. “Ascorbyl Methylsilanol Pectinate” or

“Ascorbyl Palmitate” on the ingredients list) has a longer shelf life of about two years, and it doesn’t have to be stored in a dark bottle.

Some say that stabilized Vitamin C is not as effective, but in my opinion, stabilized Vitamin C is just as effective as the pure form simply because of advances in skin care technology and R&D.

I’ve spoken with research and development skin care specialists in Korea, and they echo my sentiments. There are also tons of studies that show Vitamin C in a stabilized form is just as beneficial.

And call me old-fashioned, but I like it when my products last longer than a month. That’s a lot of serious wastage if you have to buy yourself a new bottle of serum  every month when you’re not even halfway done with it.

What concentration of Vitamin C is the most effective?

A lot of skin care products now contain Vitamin C. Studies show anything from 1% to 20% is effective, so don’t think that only concentrations in the double digits are effective! A general rule of thumb: The higher the concentration, the more likely it will cause sensitivity. Vitamin C at 20% has caused my usually non-sensitive skin to react with a stinging sensation and irritation. I’m a firm believer that if your skin is irritated or red, your skin is trying to tell you that it doesn’t like. Beating your skin into submission is a bit counterintuitive, don’t you think?

Now you know a little bit more about Vitamin C, let me introduce you to my Vitamin C pick and why it’s in my current skin care routine: Klairs Freshly Juiced Drop Vitamin C Serum.

It’s second ingredient is ascorbic acid, aka pure Vitamin C, but thanks to the latest Korean skin care technology, the formula is more stable and has a longer shelf life. That’s why it’s kept in this pretty clear bottle…

The concentration of Vitamin C is at 5%, which is gentle enough for sensitive skin. If you’re new to Vitamin C serums, this one is a great one to start with.

When I use it, I can feel my skin feel a little bit of the warmth of the Vitamin C serum soaking into my skin. It causes no irritation, which is great because if my skin is happy, I’m happy.

The results I’ve seen are something to brag about. I’ve consistently focused on the pigmentation around my cheekbones and chin. It has really done a great job fading the acne discolorations around my chin and brightening the brown spots every week I check in.

And because I’m all about getting to the root of my skin issues, I love knowing that I’m preventing pigmentation from the get-go.

How I use the Klairs Freshly Juiced Drop Vitamin C Serum

At night, I use it after cleansing, toning, and essence. I apply it directly onto my skin, then finish off my routine with my eye cream and moisturizer. The texture is slightly oily and even feels like a bit warm as it absorbs quickly and finished off matte on my skin. 

In the mornings I add about 1-2 drops into my moisturizer. It really depends on my mood and what my skin is up to that day.

And because price undoubtedly matters, I finish off this review by raving about the price. I really can’t believe it's only $23 for this amazing serum. This is Korean affordable skin care at its best and I can’t wait for you to include it in your regime!

I hope you enjoyed my 2-part series on Vitamin C! You can check out the Klairs Freshly Juiced Drop Vitamin C Serum here.

Let me know if you have any questions about it or your thoughts on Vitamin C below!

xx charlotte


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About Charlotte

Soko Glam co-founder and chief curator. Licensed esthetician sharing the love of all things K-beauty.

About Sokoglam

Bringing the best in Korean skin care, beauty, and culture Stateside since 2012. Discover, shop, and learn with us.

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