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numbuzin No.5+ Glutathione Vitamin Concentrated Serum
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numbuzin

No.5+ Glutathione Vitamin Concentrated Serum

Serum · 30 ml · $0.39/ml

Niacinamide 5% (50,000ppm)Tranexamic Acid 4% (40,000ppm)3-O-Ethyl Ascorbic Acid 0.2% (2,000ppm)Glutathione 0.01% (100ppm)Brightening
Key ingredients:Vitamin CGlutathione

$11.69at Stylevana

Best price right now

$11.69

$0.39 per ml

Checked today

at Stylevana

Save $16.31 vs. the priciest authentic seller.

View deal at Stylevana
4 authenticity-checked sellersNever pay-to-rankAffiliate-supported

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Prices last checked today · across 4 retailers

Prices can change between checks — confirm the final price on the retailer's site before buying.

Big retailers

StylevanaShips from Hong Kong ·
Free shipping over $48 — add $36.31Under-threshold rate calculated at checkout
$11.69under reviewChecked today
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Ulta BeautyShips from US ·
$6.95 shipping · free over $35add $20.00 for free shipping
$15.00checked 4d ago · may be out of date
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Olive Young USShips from US ·
Free shipping over $35 — add $15.00Under-threshold rate calculated at checkout
$20.00Checked today
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BuyBeautyKoreaShips from Korea ·
Free shipping over $75 — add $47.00Under-threshold rate calculated at checkout
$28.00Checked today
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Price history

What this serum has actually cost

We check every authenticated seller daily; each point is the lowest landed price we found that day.

The current lowest authorized landed price for numbuzin No.5+ Glutathione Vitamin Concentrated Serum is $11.69 at Stylevana — checked Aug 20, 2026. We rank by real landed cost across authenticity-checked sellers, never pay-to-rank.

Skin compatibility

Will this suit your skin?

We run the ingredient list we hold against three curated reference lists. Skin is personal — these are notes to help you decide, not rules. Pregnancy questions belong with your doctor, and if we don't have a full ingredient list we say so instead of guessing.

Transparency

What's actually in it

Key active

Niacinamide

5% (50,000ppm)

Brightening and barrier support

Key active

Tranexamic Acid

4% (40,000ppm)

Reduces pigmentation and dark spots

Key active

3-O-Ethyl Ascorbic Acid

0.2% (2,000ppm)

Stable vitamin C brightening

Concentrations as stated by the brand — we never estimate them from the INCI order.

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Answers

Frequently asked