Klairs Midnight Blue Youth Activating Drop Night Serum EGF Peptide 20ml Korean

Klairs Midnight Blue Youth Activating Drop Night Serum EGF Peptide 20ml Korean

Klairs Midnight Blue Youth Activating Drop — Anti-Aging Night Serum, 0.67 fl oz / 20 ml Dual Peptides (EGF + bFGF) + Guaiazulene + Adenosine | Korean Skincare for All Ages & Sensitive Skin

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The Klairs Midnight Blue Youth Activating Drop is an award-winning, intensive anti-aging night serum from one of K-beauty's most trusted gentle-skincare brands. The third member of Klairs' iconic "Blue Line," this highly-concentrated serum is formulated without purified water — just 10 core ingredients — to deliver maximum potency in a lightweight, fast-absorbing watery texture.

Built around a dual-peptide complex — EGF (sh-Oligopeptide-1) and bFGF (sh-Polypeptide-1) — the serum works overnight to accelerate the skin's natural renewal process, smooth the appearance of fine lines, improve elasticity, and restore a youthful, radiant glow. The signature blue color comes from Guaiazulene, a naturally-derived calming compound that soothes and strengthens the skin barrier. Gentle enough for sensitive skin, yet potent enough for serious results — this is anti-aging without the irritation of retinoids.

Award-winning:

• 2025 Olive Young — Ranked No. 1 Essence/Serum (Realtime Sales)
• 2024 Olive Young — Ranked No. 1 Skincare Product
• 2024 Soko Glam — Best of K-Beauty
• 2023 Musinsa Beauty Awards — No. 1 Product
• 2020 Guardian Award — Best Newcomer, Derma Night Serum

Why customers love it:

• Dual-peptide complex (EGF + bFGF) — supports skin renewal and reduces the look of fine lines
• Guaiazulene — naturally calming, soothes irritation and strengthens the barrier (and gives the serum its signature blue color)
• Adenosine — supports elasticity and helps smooth fine lines
• Blueberry extract — antioxidant-rich, supports a brighter, more even complexion
• Highly concentrated — formulated without purified water for maximum potency
• Just 10 ingredients — minimalist, clean formulation
• Gentle anti-aging — a peptide-based alternative to retinoids, ideal for sensitive skin
• Lightweight watery texture — absorbs instantly, no pilling, layers beautifully
• Vegan, cruelty-free, fragrance-free, ethanol-free, silicone-free, artificial-coloring-free, gluten-free
• Made in South Korea

Clinical Results (Klairs' published testing):

• Reduces the appearance of eye wrinkles by 7.37% in 4 weeks
• Reduces sebum by 28.3% in 4 weeks

Why Peptides Instead of Retinol?

Retinol is powerful, but it comes with irritation, peeling, redness, and pregnancy contraindications that many people can't tolerate. Peptides and growth factors (like the EGF and bFGF in this serum) are a gentler approach to anti-aging — they signal the skin to support its own renewal and collagen processes without the harsh side effects. For sensitive skin, retinol-intolerant skin, or anyone wanting to layer anti-aging benefits without irritation, peptides are the answer.

Key Ingredients:

• EGF (sh-Oligopeptide-1) — epidermal growth factor peptide; supports skin cell renewal
• bFGF (sh-Polypeptide-1) — fibroblast growth factor peptide; supports skin firmness and repair
• Guaiazulene — naturally-derived calming compound (the source of the blue color)
• Adenosine — supports elasticity and fine-line smoothing
• Blueberry (Vaccinium Angustifolium) Fruit Extract — antioxidant, supports brightness

Perfect for:

• Anyone wanting gentle anti-aging without the irritation of retinoids
• Sensitive, reactive, or easily-irritated skin
• Early signs of aging (fine lines starting in the mid-20s onward)
• Mature skin focused on elasticity, firmness, and texture
• Anyone who can't tolerate or doesn't want to use retinol
• Pregnant or nursing individuals seeking a retinol-free anti-aging option (confirm with your doctor)
• K-beauty enthusiasts building a minimalist, science-backed routine
• Layering under moisturizer in a nighttime routine

How to use:

• This serum is unique: apply it FIRST, on bare skin, before toner — its lightweight peptide formula absorbs best on clean skin (oils and other products can interfere with absorption)
• During your nighttime routine, after cleansing, dispense 3–4 drops over the face
• Gently pat to promote absorption
• Follow with toner, then the rest of your routine (moisturizer, etc.)
• Use nightly for best results
• Tip: the watery texture absorbs instantly — if it feels like "nothing's there," that's normal. Resist the urge to over-apply; 3–4 drops is the correct amount.

Product Details:

• Brand: Klairs (Dear, Klairs)
• Product: Midnight Blue Youth Activating Drop
• Size: 0.67 fl oz / 20 ml
• Form: Night Serum / Ampoule
• Key Ingredients: EGF (sh-Oligopeptide-1), bFGF (sh-Polypeptide-1), Guaiazulene, Adenosine, Blueberry Extract
• Skin Type: All — especially Sensitive, Mature, Reactive
• Features: Vegan, Cruelty-Free, Fragrance-Free, Ethanol-Free, Silicone-Free, Gluten-Free, Artificial-Coloring-Free
• Country of Origin: Made in South Korea

Shipping & Returns: Ships within 1 business day, securely packaged to protect the bottle. Returns accepted per the policy listed above. Send a message before buying if you have any questions and I'll respond quickly.