COSRX The Alpha-Arbutin 2 Discoloration Care Serum 50ml vs [EQQUALBERRY] Vitamin Illuminating Serum 30ml

COSRX The Alpha-Arbutin 2 Discoloration Care Serum 50ml and [EQQUALBERRY] Vitamin Illuminating Serum 30ml share 20 parsed ingredients. Differences highlighted below.

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Shared 20COSRX The Alpha-Arbutin 2 Discoloration Care Serum 50ml only 16[EQQUALBERRY] Vitamin Illuminating Serum 30ml only 30

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Shared formula

30%

Ingredients in every formula: 20in both formulas
Key actives unique to one formula: 4unique actives
Ingredient rows compared: 66rows compared

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

The formulas, row by row

66 ingredients across 2 labels

Differences only(46 of 66 rows)

Shared ingredients· none here

Product facts and full ingredient lists side by side
on 2+ labelsonly on this labelnot on this labelIngredient	COSRX COSRX The Alpha-Arbutin 2 Discoloration Care Serum 50ml $17.50 $21.25 at Cosrx ↗	Recommended Eqqualberry [EQQUALBERRY] Vitamin Illuminating Serum 30ml $23.00
Basics
Type & size	Serum · size not on the record	Serum · size not on the record
Brand origindiffers	Korean	Not recorded
Offers
Where to buydiffers	$21.25 · Cosrx (2 offers)	Not recorded
Formula
Key activesdiffers	niacinamide, tranexamic acid, alpha-arbutin, sodium hyaluronate, hyaluronic acid, panthenol, allantoin	niacinamide, arbutin, ceramide np, squalane, panthenol, allantoin, sodium hyaluronate, hyaluronic acid, tranexamic 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 · 50 ingredients
Key actives · 4
alpha-arbutin Pregnancy: caution	yes	no
arbutin Pregnancy: caution	no	yes
ceramide np	no	yes
squalane	no	yes
Rest of the labels · 42
2,3-butanediol	no	yes
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
betaine	no	yes
carbomer	no	yes
ceramide ap	no	yes
ceramide as	no	yes
ceramide eop	no	yes
ceramide ns	no	yes
cetearyl alcohol	no	yes
cetyl ethylhexanoate	no	yes
cholesterol	no	yes
citric acid	yes	no
corallina officinalis extract	no	yes
dextrin	yes	no
dimethyl isosorbide	yes	no
glyceryl stearate Possible fungal-acne trigger	no	yes
hydrolyzed sodium hyaluronate Pregnancy: generally fine	no	yes
hydroxyethyl urea	no	yes
hydroxypropyltrimonium hyaluronate Pregnancy: generally fine	no	yes
madecassoside	yes	no
melia azadirachta flower extract	no	yes
melia azadirachta leaf extract	no	yes
methyl trimethicone	yes	no
ocimum sanctum leaf extract	no	yes
pentaerythrityl tetrabehenate	no	yes
pentylene glycol	no	yes
potassium hyaluronate Pregnancy: generally fine	no	yes
propanediol	yes	no
sambucus nigra fruit extract	no	yes
sodium carboxymethyl beta-glucan	no	yes
sodium citrate	yes	no
sodium metabisulfite	yes	no
sodium methyl stearoyl taurate	yes	no
sodium polyacryloyldimethyl taurate	yes	no
tromethamine	no	yes
water	yes	no
water	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 Alpha-Arbutin in the formula.

Choose Eqqualberry if you want Arbutin 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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