[ numbuzin ] No.5+ Glutathione Vitamin Concentrated Serum 30ml

RECOMMENDED FOR: All skin types (skin with trouble marks or pigmentation, dull complexion, dark spots, sensitive skin)

PERFECT FOR: When trouble marks and pigmentation are on your mind, and you want care that covers both surface and underlying spots

AM: Always pair daytime use with sunscreen.

PM: Apply over your whole face with the dropper after toner and absorb.

A light, milky gel-ampoule that absorbs fresh and silky with no stickiness. Free from synthetic fragrance.

Niacinamide 5%, Panthenol 5%, Tranexamic Acid 4%, 3-O-Ethyl Ascorbic Acid (2,000ppm), Glutathione (100ppm), Alpha-Arbutin, Bisabolol

- Glutathione & Vitamin C: an antioxidant network that suppresses melanin formation for a clear complexion
- Niacinamide (5%), TXA (4%) & Arbutin: cover surface spots, underlying marks, and acne scarring all at once
- Panthenol (5%) & Bisabolol: calm irritation from high-potency whitening ingredients while reinforcing the barrier

Surface Spots and the Marks Underneath, Both Covered

numbuzin's No.5+ Glutathione Vitamin Concentrated Serum. An antioxidant network of glutathione and vitamin C suppresses melanin formation, while niacinamide, TXA and arbutin cover surface spots, underlying marks, and acne scarring together. Panthenol and bisabolol calm irritation from these high-potency ingredients.

A dual-certified ampoule covering surface spots and deeper marks together with a glutathione-vitamin C network.

PICK NO.3 RATING
WRINKLE: 5/5
BRIGHTENING: 5/5
SENSITIVITY: 3/5

WHY WE PICKED IT: A clear concept of covering both surface and underlying spots, backed by genuinely massive sales and award recognition, made this an easy pick.

CLINICAL RESULTS: Dual-functional certified for whitening and wrinkle improvement by Korea's MFDS, completed a human trial (SkinMed) verifying improvement in both surface and underlying melanin marks, passed low-irritancy testing.

SAFETY NOTES: Store in a cool place away from direct sunlight, and sunscreen is essential when going outside during the day.

GLOBAL SALES: Millions of bottles sold cumulatively - Olive Young's No.1 nationally-loved dark-mark ampoule.

AWARDS: Ranked highly and No.1 in real-time in the essence/serum category at the Olive Young Awards; a Winner in the essence category on Hwahae and Glowpick.

PICKER'S COMMENT: "Redness and acne pigmentation fade fast, and despite the high vitamin concentration, it never stings."

USAGE DURATION: One 30ml bottle lasts roughly 1-2 months with daily use.

Water, Butylene Glycol, Niacinamide (50,000 ppm), Panthenol (50,000 ppm), Tranexamic Acid (40,000 ppm), 1,2-Hexanediol, 3-O-Ethyl Ascorbic Acid (2,000 ppm), Bisabolol, Glutathione (100 ppm), Ceramide NP, Alpha-Arbutin, Sodium Hyaluronate, Adenosine, Tocopherol (30ml)

Q. What are "surface" and "underlying" spots?
A. It means covering both visible surface marks and the pigmentation sitting deeper below, with niacinamide, TXA, and arbutin each working at a different layer.

Q. Why is it called a 'national' ampoule?
A. With cumulative sales in the millions and a steady No.1 spot in Olive Young's dark-mark ampoule category, it's earned that reputation.

Q. Is it certified for whitening and wrinkles?
A. Yes, it's officially certified by Korea's MFDS for both whitening and wrinkle improvement.

Q. Isn't it irritating?
A. Panthenol and bisabolol calm irritation from the high-potency whitening ingredients, keeping it gentle.

Q. Who is this best for?
A. Skin with trouble marks or pigmentation, dull complexion, dark spots, sensitive skin

Q. Is there anyone who should skip this one?
A. If brightening isn't a priority for you, this product's core focus may not be the right fit.