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A peptide-rich serum designed to support skin elasticity and smooth the look of fine lines. The lightweight, fast-absorbing formula has a distinctive blue tint from blueberry extract and layers easily under your other products. Best used at night when skin repair is most active, but works well morning and evening too.
Who is This For?
Suitable for all skin types—especially helpful if you're noticing early signs of aging or want to support firmness and texture, but anyone looking to add peptides to their routine will benefit.
Key Benefits
Contains EGF and bFGF peptides to support skin renewal and collagen production
Adenosine helps reduce the appearance of wrinkles and improves smoothness
Blueberry extract delivers antioxidant protection against daily environmental stress
Absorbs quickly without residue, making it easy to layer with other products
Key Ingredients
sh-Oligopeptide-1 (EGF) — A growth factor peptide that supports cell turnover and helps improve texture and firmness
sh-Polypeptide-1 (bFGF) — A peptide that promotes collagen production and supports skin repair
Adenosine — Helps soften the look of fine lines and wrinkles
Blueberry Extract — Provides antioxidants and gives the serum its blue color
FAQs
Q: Can I use Klairs Midnight Blue Youth Activating Drop with retinol?
A: It is best to use this serum and retinol at different times—one in the morning and one at night—or on alternating days to avoid potential irritation from combining multiple active ingredients.
Q: What gives this serum its blue color?
A: The blue color comes from the blueberry fruit extract (Vaccinium Angustifolium) included in the formula, which also provides antioxidant benefits.
Q: Is this serum suitable for sensitive skin?
A: The formula contains a short ingredient list without added fragrance or essential oils, making it generally suitable for sensitive skin, though patch testing is recommended for those with reactive skin.
Q: At what age should I start using this anti-aging serum?
A: This serum can be incorporated into routines for those in their mid-20s and beyond who want to address early signs of aging or maintain skin firmness preventatively.
Q: When will I start seeing results?
A: Peptides work gradually, so most users notice improvements in skin texture and firmness after 4-8 weeks of consistent use.
Q: Should I use this in the morning or at night?
A: The serum works well both morning and evening, but nighttime application is ideal since skin repair is most active while you sleep.
Q: Where does this go in my skincare routine?
A: Apply after cleansing and toner, but before heavier serums, moisturizer, and sunscreen—its lightweight texture absorbs quickly and layers easily.
How to Use
Cleanse face thoroughly and pat dry. Apply toner if part of your routine. Dispense 2-3 drops onto fingertips or palm. Gently press and pat the serum onto face and neck, focusing on areas with visible fine lines. Allow the serum to absorb fully before applying subsequent products. Follow with moisturizer to seal in the serum.
bought this product for the first time around a month ago, and it quickly became a staple in my skincare routine! after the first week or so of using it i had already begun noticing the improvement of my skin! this product helped in fading some acne scars and overall just left me feeling satisfied. i will definitely be purchasing again! :D
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Puja M.
I have been using this product for 2 weeks. It’s helping my skin to look healthy. So excited to see more results. Would love to purchase this again.
A
Ana B.
Klairs Midnight Blue Youth Activating Drop
I've been using this for 3 weeks only at night time, and I love it! My skin looks healthy and clean again. I'm 47 years old and I feel 30ish! I wish i could take post a picture to show. :) I can't wait to try other products!
Hi Ana!
So glad you're satisfied with this serum - it has great preventative properties.
- Cupidrop
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