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Midnight Blue Youth Activating Drop

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CLAIM TO FAME: Klairs’ first anti-aging product that works to repair the damage of time on skin

FAST FACTS: Age-combating night serum; reduces visible wrinkles; brightens skin tone; helps delay skin’s aging process by replenishing collagen and natural elasticity; infused with a high concentration of EGF (20 ppm) and bFGF (10 ppm); formulated with only 10 ingredients, which don’t include water; calms skin that’s been irritated by UV rays with guaiazulene

PERFECT FOR: Youthful, healthy, glowing skin

June 26, 2017
”I’ve been enjoying this nightly for about two weeks now and absolutely in love with it. It’s a very lightweight watery type of serum. It’s more so in line with first essence toners when it comes to it’s usability and benefits but with potency of serum! I’ve been using it right after thorough cleansing and light watery toner, and then follow up this Klairs serum with my regular skin care routine. I didn’t notice much benefits for the first few days other than the fact that it wasn’t irritating my super sensitive skin. And after about 10 days of nightly use, I noticed that my skin looks healthier and smoother. I haven’t changed anything else in my nightly skin care routine so I’m convinced that it’s this little serum that I have to thank for. My skin looks overall revitalized and healthier since I started this serum. I haven’t notice direct improvement on fine lines just yet but I do feel that my skin is smoother and see a definite potential of further skin improvement with this serum.”
–Lisa K** (from wishtrend.com)

WHAT YOU GET: (1) Midnight Blue Youth Activating Drop
INGREDIENTS: RH-Oligopeptide- 1, RH-Polypeptide- 1, Butylene Glycol, Vaccinium Angustifolium Blueberry) Fruit Extract, Sorbitan Sesquioleate, PEG-60 Hydrogenated Castor Oil, Chlorphenesin, Guaiazulene, Ethylhexylglycerin, Adenosine

Dispense 3 to 4 drops and apply onto face. Note: Applying other products before the drop can interfere with absorption, so it is recommended to use the product as close to bare skin as possible.

Dear Klairs

Klairs applies the principles of minimalism to its products. It perfects basic skincare with high quality products that are highly effective—nothing more, nothing less. Klairs puts a premium on ethical, cruelty-free production and does not use any harmful chemicals in its products, sticking only with known safe and hypoallergenic ingredients. Klairs also prides itself on its 80% customer repurchase rate—proof not only of its incredibly loyal fanbase but also of its effective product formulas.

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12 reviews

Share your experience with this product
4.9 out of 5
5 stars
4 stars
3 stars
2 stars
1 star
Certified Buyer
  • Skin Type Dry
  • Skin Tone Fair
  • Facial Features Mestiza
  • Age 24

very nice night serum...

Definitely dear klairs suits my sensitive skin... I like the blue color of the serum... better when you put in the refrigerator... it creates cooling sensation when you apply. Very mild and absorbed well in the skin... vry nice when use before going to bed... before applying moisturizer or sleeping mask.

17 days ago
Certified Buyer
  • Skin Type Combination
  • Skin Tone Medium
  • Facial Features Morena
  • Age 37

Stamped: Effective

5 star for this product. I’ve been wanting to get hold of it since I saw it from their website and yeah, I found the fountain of youth in this bottle. I gave birth 5 months ago and I noticed the dryness of my skin specially in my face. It even gets itchy at times so I looked for some remedy and I thought of getting a Korean product. Overnight, my skin got smoother and even-toned.

25 days ago
Top Reviewer
Certified Buyer
  • Skin Type Combination
  • Skin Tone Medium
  • Facial Features Morena
  • Age 34


I love this product! After a month of using this every morning and night immediately after cleansing, I noticed a dramatic change in my skin! I started using this when I was 2 months postpartum and it really addressed the fine lines and dullness that I got from pregnancy. I highly recommend this esp to breastfeeding moms!

about 1 month ago
Certified Buyer
  • Skin Type on
  • Skin Tone on
  • Facial Features on
  • Age 34

Quite pricey but worth every drop 😉

This is the second product that I tried from Dear Klairs. I can say that this product befriend my over sensitive oily skin because it does not give me break outs. This is quite pricey but worth every drop. This serum is a perfect match to the supple preparation toner that boosts hydration and moisture. Worth to try anti-aging product.

about 1 month ago
Top Reviewer
Certified Buyer
  • Skin Type Combination
  • Skin Tone Fair
  • Facial Features Chinita
  • Age 27

So Impressed!

I've been dying to try this serum out and when I got the chance to purchase this, I immediately went for it and I can say that I'm impressed! I didn't break out, which is a good thing, and I've been using this for five days already and I can say that my face has become smoother and my pores have become smaller too. I also love that this is a watery kind of serum and that it gets absorbed so easily. Perfect for our climate! Definitely going to repurchase this when I run out/get a backup when I have another chance.

2 months ago
Certified Buyer
  • Skin Type Combination
  • Skin Tone Medium
  • Facial Features Chinita
  • Age 34

Brightens immediately

Such a miracle product. It worked wonders on my face. It totally brightened up my dull face after a week's use! It gets easily absorbed and very light to the skin. No sticky feeling at all. My pores have been minimized and my skin feels supple and smooth. Will surely restock.

5 months ago

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