COSRX The Alpha-Arbutin 2 Discoloration Care Serum 50ml vs Numbuzin, No.1 Pantothenic B5 Active Soothing Serum, 1.69 fl oz (50 ml)

COSRX The Alpha-Arbutin 2 Discoloration Care Serum 50ml and Numbuzin, No.1 Pantothenic B5 Active Soothing Serum, 1.69 fl oz (50 ml) share 17 parsed ingredients. Differences highlighted below.

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Shared 17COSRX The Alpha-Arbutin 2 Discoloration Care Serum 50ml only 19Numbuzin, No.1 Pantothenic B5 Active Soothing Serum, 1.69 fl oz (50 ml) only 29

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Shared formula

26%

Ingredients in every formula: 17in both formulas
Key actives unique to one formula: 2unique actives
Ingredient rows compared: 65rows compared

From the parsed labels — rows on every label over all compared rows.

The formulas, row by row

65 ingredients across 2 labels

Differences only(48 of 65 rows)

Shared ingredients· none here

Product facts and full ingredient lists side by side
on 2+ labelsonly on this labelnot on this labelIngredient	Recommended COSRX COSRX The Alpha-Arbutin 2 Discoloration Care Serum 50ml $17.50 $21.25 at Cosrx ↗	numbuzin Numbuzin, No.1 Pantothenic B5 Active Soothing Serum, 1.69 fl oz (50 ml) $24.00
Basics
Type & size	Serum · size not on the record	Serum · size not on the record
Brand origin	Korean	Korean
Offers
Where to buydiffers	$21.25 · Cosrx (2 offers)	Not recorded
Availabilitydiffers	Not recorded	in stock
Formula
Key activesdiffers	niacinamide, tranexamic acid, alpha-arbutin, sodium hyaluronate, hyaluronic acid, panthenol, allantoin	niacinamide, panthenol, allantoin, alpha-arbutin, centella asiatica extract, sodium hyaluronate, hyaluronic acid
Free ofdiffers	fragrance-free, sulfate-free, paraben-free	fragrance-free, sulfate-free, alcohol-free, paraben-free, silicone-free
Heads-updiffers	pregnancy cautionPore data not yet reviewed	pregnancy caution · fungal-acne triggerPore data not yet reviewed
Fit & community
Rating	No reviews yet	No reviews yet
Best for	Not recorded	Not recorded
Data quality
Label coveragediffers	Fully parsed · 36 ingredients	Fully parsed · 46 ingredients
Key actives · 2
cica	no	yes
tranexamic acid	yes	no
Rest of the labels · 46
a silicone	yes	no
acetyl glucosamine	yes	no
alcohol	yes	no
arginine	yes	no
beta-glucan	no	yes
beta-sitosterol	no	yes
betaine	no	yes
camellia sinensis leaf extract	no	yes
centella asiatica leaf extract	no	yes
cladosiphon okamuranus extract	no	yes
coccinia indica fruit extract	no	yes
corallina officinalis extract	no	yes
decyl glucoside	no	yes
dextrin	yes	no
dimethyl isosorbide	yes	no
dipotassium glycyrrhizate	no	yes
dipropylene glycol	no	yes
disodium edta	yes	no
ferulic acid	yes	no
glutathione	yes	no
glyceryl oleate Possible fungal-acne trigger	no	yes
houttuynia cordata extract	no	yes
lauryl glucoside	no	yes
madecassoside	yes	no
melia azadirachta flower extract	no	yes
melia azadirachta leaf extract	no	yes
methyl trimethicone	yes	no
myristyl glucoside	no	yes
ocimum sanctum leaf extract	no	yes
pantothenic acid	no	yes
pinus densiflora leaf extract	no	yes
polyglyceryl-10 stearate Possible fungal-acne trigger	no	yes
polyglyceryl-6 laurate Possible fungal-acne trigger	no	yes
sodium citrate	yes	no
sodium hyaluronate crosspolymer Pregnancy: generally fine	yes	no
sodium metabisulfite	yes	no
sodium methyl stearoyl taurate	yes	no
sodium phytate	no	yes
sodium polyacryloyldimethyl taurate	yes	no
sophora angustifolia root extract	no	yes
trehalose	no	yes
tromethamine	no	yes
water	yes	no
water	no	yes
xanthan gum	yes	no
zinc pca	no	yes

Rows come from parsed labels and live offers. Where a label isn’t fully captured, we say so instead of guessing.

The bottom line

Choose COSRX if you want Tranexamic Acid in the formula.

Choose numbuzin if you want Cica in the formula.

Both lines come from the parsed labels and the prices on this page — neither product is the reference, and neither is called the better one.

This is not medical advice.

Focus on an effect

All ingredients

Brighten & fade dark spots Clear breakouts Smooth fine lines Hydrate & plump

Calm redness Refine texture Repair & strengthen Protect from sun

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Suggested from shared ingredients on the parsed labels — each pair opens as its own comparison.