ProtoClinical k-beauty numbuzin No.5+ Vitamin Concentrated Serum 30ml single upright serum bottle centered on a pale yellow background.
ProtoClinical k-beauty numbuzin No.5+ Vitamin Concentrated Serum 30ml single upright serum bottle centered on a pale yellow background.
ProtoClinical k-beauty numbuzin No.5+ Vitamin Concentrated Serum 30ml single upright serum bottle centered on a pale yellow background
numbuzin

numbuzin No.5+ Vitamin Concentrated Serum 30ml

$15.72
Targets dark spots Brightens dull tone Helps even skin tone Boosts daily radiance Supports clearer-looking skin
Inner skin melanin improvement by 23.72%, skin evenness improvement by 18.90%, and pigmentation improvement by 95.24%.
A daily brightening serum for clearer tone and fresher glow.
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Concentrated Vitamin Care Tone-Evening Serum Glow Boosting
vitamin complex
numbuzin No.5+ Vitamin Concentrated Serum 30ml
numbuzin No.5+ Vitamin Concentrated Serum 30ml Default Title
$15.72
Clinically proven actives Dermatologist tested 100% authentic Korean Cruelty-free
Pairs beautifully with

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$15.72

vitamin complex

Vitamin C (L-ascorbic acid) donates electrons to neutralize free radicals before they can damage collagen fibers and DNA. In this serum, Vitamin C targets uneven texture, delivering delivers concentrated actives deep into the skin with consistent use.

Vitamin C
neutralizes free radicals and inhibits melanin production for brighter, more protected skin
The texture

Lightweight, absorbing serum

Inner skin melanin improvement by 23.72%, skin evenness improvement by 18.90%, and pigmentation improvement by 95.24%.

All Skin Types dark spots hyperpigmentation dullness uneven tone
Hover the swatch: it ripples like water

How to use

1

After toner, apply 1-2 pumps over the face.

2

Press extra onto dull or uneven areas.

3

Pat until absorbed.

4

Follow with moisturizer.

5

Use morning and night.

6

Wear sunscreen during the day.

Full transparency

Ingredients

A concentrated vitamin complex helps support brighter, more even-looking skin.

Brightening serums are usually built around antioxidant support and more even surface turnover. Vitamin-based formulas are popular because they help improve the look of dullness caused by oxidative stress while also supporting a clearer-looking tone. When the complexion is less sallow and surface cells are renewed more evenly, dark spots and post-blemish marks tend to stand out less.

A concentrated serum format gives these ingredients more contact with the skin while still layering easily under moisturizer. That matters for pigmentation care, because consistency is often more important than intensity. Used regularly, a vitamin-focused serum helps the skin look brighter, more uniform, and more reflective without relying on heavy texture. It is also a practical way to target both overall dullness and more localized discoloration in the same step. The science story here is cosmetic tone correction through antioxidant protection and support for smoother, clearer-looking surface renewal, which is why this type of formula fits routines focused on dark spots, unevenness, and loss of glow.

The detail

Specs & details

FormatLightweight serum
SizeDefault Title
Skin typesAll Skin Types
Country of originSouth Korea
Before you add to cart

Questions & answers

After cleansing and toning, before moisturizer. Serums deliver actives most effectively on freshly prepped skin.
Yes. Apply from thinnest to thickest consistency and allow each layer to absorb before the next.
Most users notice initial improvement within 2 to 4 weeks. For full benefits like delivers concentrated actives deep into the skin, allow 6 to 8 weeks of consistent use.
Your skin begins adjusting. You may notice improved hydration and comfort before more visible changes like texture refinement become apparent.
Yes, this formula is developed to be compatible with all skin types dealing with uneven texture. If you have very reactive skin, patch test on the inner arm before full application.
The formula is designed to be well-tolerated. For pregnancy-specific concerns, consult your healthcare provider. For sensitive skin, patch test before full application.
Vitamin C neutralizes free radicals and inhibits melanin production for brighter, more protected skin. Consistent daily use is key to seeing the full benefits.
Check the INCI list for the most accurate information on fragrance components. The formula is developed for minimal irritation potential.
Store in a cool, dry place away from direct sunlight. Use within 12 months of opening for optimal freshness and efficacy.
Serums have a higher concentration of targeted actives than essences and a lighter consistency than most ampoules. They deliver the most potent treatment in your routine.
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About the brand

OriginSeoul, KR
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