The Alpha-Arbutin 2 Discoloration Care Serum vs numbuzin No.5+ Glutathione Vitamin Concentrated Serum 1.01 fl. oz.(30ml)

The Alpha-Arbutin 2 Discoloration Care Serum and numbuzin No.5+ Glutathione Vitamin Concentrated Serum 1.01 fl. oz.(30ml) share 16 parsed ingredients. Differences highlighted below.

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Shared formula

25%

Ingredients in every formula

16in both formulas

Key actives unique to one formula

3unique actives

Ingredient rows compared

63rows compared

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

The formulas, row by row

63 ingredients across 2 labels

Differences only(47 of 63 rows)

Shared ingredients· none here

Product facts and full ingredient lists side by side

on 2+ labelsonly on this labelnot on this labelIngredient	COSRX The Alpha-Arbutin 2 Discoloration Care Serum $17.50 $25.00 at Cosrx ↗Save	Recommended numbuzin numbuzin No.5+ Glutathione Vitamin Concentrated Serum 1.01 fl. oz.(30ml) $20.00 Save
Basics
Type & sizediffers	Serum · size not on the record	Serum · 1.01 fl. oz
Brand origin	Korean	Korean
Offers
Where to buydiffers	$25.00 · Cosrx (2 offers)	Not recorded
Availabilitydiffers	Not recorded	InStock
Formula
Key activesdiffers	niacinamide, tranexamic acid, alpha-arbutin, sodium hyaluronate, hyaluronic acid, panthenol, allantoin	niacinamide, panthenol, tranexamic acid, alpha-arbutin, sodium hyaluronate, allantoin, ceramide np, ascorbyl glucoside
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 · 43 ingredients
Key actives · 3
ascorbyl glucoside Pregnancy: generally fine	no	yes
ceramide np	no	yes
hyaluronic acid Pregnancy: generally fine	yes	no
Rest of the labels · 44
3-o-ethyl ascorbic acid Pregnancy: generally fine	no	yes
a silicone	yes	no
acetyl glucosamine	yes	no
adenosine	no	yes
alcohol	yes	no
arginine	yes	no
behenyl alcohol	no	yes
beta-glucan	no	yes
bifida ferment filtrate	no	yes
carbomer	no	yes
chondrus crispus extract	no	yes
citric acid	yes	no
corallina officinalis extract	no	yes
curcuma longa root extract	no	yes
dextrin	yes	no
diethoxyethyl succinate	yes	no
dimethyl isosorbide	yes	no
dipotassium glycyrrhizate	no	yes
ferulic acid	yes	no
hydrolyzed hyaluronic acid Pregnancy: generally fine	yes	no
hydroxypropyl cyclodextrin	no	yes
madecassoside	yes	no
melia azadirachta flower extract	no	yes
melia azadirachta leaf extract	no	yes
methyl trimethicone	yes	no
neopentyl glycol dicaprate	no	yes
ocimum sanctum leaf extract	no	yes
pentylene glycol	no	yes
potassium hydroxide	no	yes
propanediol	yes	no
saccharum officinarum extract	no	yes
shea butter	no	yes
sodium acetylated hyaluronate Pregnancy: generally fine	yes	no
sodium citrate	yes	no
sodium hyaluronate crosspolymer Pregnancy: generally fine	yes	no
sodium metabisulfite	yes	no
sodium methyl stearoyl taurate	yes	no
sodium polyacryloyldimethyl taurate	yes	no
sorbitol	no	yes
tocopheryl acetate	no	yes
tremella fuciformis extract	no	yes
tromethamine	no	yes
ubiquinone	no	yes
vaccinium vitis-idaea fruit extract	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 a comparable formula for $2.50 less.

Choose numbuzin if you want Ceramide Np 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

Focus on an effect

All ingredientsBrighten & fade dark spotsClear breakoutsSmooth fine linesHydrate & plumpCalm rednessRefine textureRepair & strengthenProtect from sunGo

All ingredients

Brighten & fade dark spotsClear breakoutsSmooth fine linesHydrate & plump

Calm rednessRefine textureRepair & strengthenProtect from sun

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• COSRXVSCOSRX The Alpha-Arbutin 2 Discoloration Care Serum 50ml
• numbuzinVSnumbuzin No.5+ Vitamin Concentrated Serum 30ml
• COSRXVSma:nyo Glutathione 7 Dark Spot Serum 30ml

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