EGF Blue Youth Activating Drop
Formulated & made in Korea
Stocked in CaliforniaWho it's for, and what they'll see.
Marks: ProbeM Skin Research Center, 2025–26, 20 adults, as shown on klairs.com. 3-minute calming per the Dear, Klairs product description. Results vary.
Easy to demo. Easy to retail.
Formulated & made in KoreaThe EGF serum K-beauty shoppers already search for.Stocked in CaliforniaReady for US retail, no import wait.
Respect your sensitivity.
Since 2010, Dear, Klairs has made minimal, gentle skincare that helps sensitive skin find its balance, instead of trying to change it.
Trusted on shelves in 80+ countries.
Units distributed worldwide, as reported by Dear, Klairs.
The blue first step your shelf is missing.
A water-light serum with 10 ppm EGF, tested seven ways and rated 4.7★ by the people who use it. Everything a buyer needs is in these pages.
Closer to water than to a serum. It absorbs in seconds, so it goes on first, right after cleansing.
Four actives. Fifteen ingredients.
EGF and bFGF peptides at 10 ppm each, 1,000 ppm guaiazulene for the blue and the calm, plus adenosine.
Tested seven ways.
Dear, Klairs lists seven tests for this formula, from primary irritation on sensitive skin to non-comedogenicity, soothing and post-blemish marks.
From stressed to visibly calmer in about three minutes, straight after cleansing.
Post-blemish marks, 23% lighter.
+14.75% at 2 weeks and +23.21% at 4 weeks in 20 adults (ProbeM Skin Research Center).
They come back for another bottle.
“This made my skin super soft, smooth and glowing. Now I feel like I can't go a day without it.”Verified buyer · Mar 2026
★★★★★“The OG of EGF serums. It's great for sensitive skin.”Verified buyer · Apr 2025
★★★★★“This is my holy grail product. I was really sad when it was out of stock for a while.”Verified buyer · Jul 2025
★★★★★“Amazing serum, I got 3. Light, moisturising, softens skin.”Verified buyer · Mar 2025
What shoppers keep saying.
★★★★★“It sinks into my oily skin effortlessly. It feels lightweight, but very hydrating.”Verified buyer · Aug 2024
★★★★★“I have very sensitive skin and it doesn't cause any irritation at all.”Verified buyer · Jul 2023
★★★★★“It's hydrating and absorbs into the skin quickly. I love its calming effect.”Verified buyer · Sep 2023
★★★★★“This youth activating drop really works at keeping facial skin soft, smooth, and young-looking.”Verified buyer · Dec 2023
★★★★★“This may feel like it's not doing something but deep down it is! Would definitely repurchase.”Verified buyer · Aug 2024
★★★★★“My skin feels more hydrated, smoother, and healthier. The texture is lightweight and doesn't feel sticky.”Verified buyer · Aug 2026
Verified-buyer reviews from klairs.com (Loox), quoted as written. Reviewer names withheld.
Creators film it because it works on camera.
Creator Video Library, klairs-creators.com, as of Sep 2026. TikTok Shop figures as shown on the listing, Sep 28, 2026.
Twelve of the twenty.
Creator posts as published; captions shortened. Videos live in the Klairs Creator Video Library.
New York lined up for the blue wall.
Dear, Klairs joined the pop-up hosted by skincare creator Song of Skin. Shoppers queued, filmed the shelf and left with EGF samples.
Then LA queued in the rain.
The Blue EGF “EGF Maxxing” pop-up at Hapa Kristin Melrose ran four days: two creator previews, then a public weekend that drew lines on both days, including a rainy Sunday.
Hapa Kristin Melrose, Los Angeles, Sep 3–6, 2026. Entries are cumulative, not unique visitors. Weekend sales at event pricing (sets up to 50% off). Source: Hapa Kristin partnership report.
A bestseller with receipts.
Olive Young rankings are dated snapshots reported by Dear, Klairs, not Olive Young Awards.
Lead with the 50 mL.
Shelf life 36 months · use within 6 months of opening · Made in Korea
What your client takes home.
First, right after cleansing.
3–4 drops on bare skin, then toner and cream. Keep oils for after. For marks, add one drop on a cotton swab.
Irritation relief, barrier repair.
Every Blue Line product shares guaiazulene's calm. Stock the drop as the hero, then build the shelf around it.
Midnight Blue Calming CreamCooling gel cream for skin that looks flushed.
Guaiazulene · Centella
EGF Blue Calming Toner PadWipe or mask. Cools and smooths rough texture.
Centella · Hyaluronic acid
Blue EGF Calming MistBi-phase cooling mist for face and body.
EGF + FGF · Guaiazulene
Blue EGF Intensive Pro CreamRich barrier cream that seals the drop in.
EGF · Panthenol
Midnight Blue Clearing Water CreamWeightless blue gel for oily, overheated-looking skin.
Niacinamide · Guaiazulene
Blue Caffeine Full Cover Eye Patch360° cooling hydrogel for eyes and smile lines.
Caffeine · Niacinamide 2%Three routines that sell the second item.
+Redness relief in 3 minutes, then a cooling gel seal.
+Blue Drop 50 mL + Blue EGF Intensive Pro Cream. Available as a set.
++Calming Mist, Blue Drop and Pro Cream. Available as a set.
Eleven images, ready for your PDP.
2000 × 2000 px. Claims on every image follow the ledger on page 28.
Shot in 4K. Yours to use.
34 product and texture clips, 3840 × 2160. Approved buyers can request the originals through b2b.klairs-creators.com.
15 seconds, vertical.
Cut for Reels, TikTok and in-store screens. 1080 × 1920.
Paste-ready for your listing.
Product name
Dear, Klairs EGF Blue Youth Activating Drop, 50 mL (1.69 fl oz), formerly Midnight Blue Youth Activating Drop
Short description
A watery blue first serum with 10 ppm EGF and FGF peptides, 1,000 ppm guaiazulene and adenosine. Calms visibly stressed skin in minutes and helps post-blemish marks look lighter over 4 weeks.
Key benefits
- Visibly calmer-looking skin in about 3 minutes.
- Post-blemish marks improved 23.21% after 4 weeks (ProbeM Skin Research Center, 20 participants).
- Water-light first step with 10 ppm EGF + FGF, 1,000 ppm guaiazulene and adenosine.
- Tested for primary irritation on sensitive skin and for non-comedogenicity.
- No added fragrance or essential oils. Vegan formula, cruelty-free. pH 5.5.
Ingredients
Water, Butylene Glycol, sh-Oligopeptide-1, sh-Polypeptide-1, Vaccinium Angustifolium (Blueberry) Fruit Extract, Lecithin, Sorbitan Sesquioleate, 1,2-Hexanediol, Caprylyl Glycol, PEG-60 Hydrogenated Castor Oil, Glycerin, Chlorphenesin, Guaiazulene, Ethylhexylglycerin, Adenosine
Claims ledger & studies.
| Approved | Visibly calmer in about 3 minutes | Dear, Klairs product description (klairs.com) |
| Approved | Post-blemish marks +23.21% at 4 weeks | ProbeM, n=20 — shown on klairs.com |
| Approved | Non-comedogenic tested · for sensitive skin | On-pack; klairscosmetics.com test list |
| Approved | 10 ppm EGF | On-pack |
| Approved | No added fragrance · vegan formula · cruelty-free | INCI; brand certification |
| With date | No.1 in Olive Young skincare ranking | Always with the date: Apr 7, 2024. A ranking snapshot, not an award. |
| With date | 1M+ bottles sold worldwide | Brand-reported, as of Apr 2026 |
| With date | Soko Glam Best of K-Beauty | Always with the year: 2024 |
Testing & sources
- ProbeM Skin Research Center: post-blemish pigmentation, Dec 2025–Jan 2026, 20 participants aged 20–40 (shown on klairs.com).
- Tests listed by Dear, Klairs for this formula: primary skin irritation, primary irritation on sensitive skin, non-comedogenicity, anti-aging, soothing, collagen synthesis assay, post-blemish pigmentation (klairscosmetics.com).
Improvement rate = |after − before| / before × 100. Group means; individual results vary.
Respect your sensitivity.
Case-pack ordering, trade pricing and live stock for approved US buyers.
Apply at b2b.klairs-creators.com →Outside the US: wishtrade.co.kr