COSRX The Alpha-Arbutin Discoloration Care Hydrogel Mask 34g X 3ea vs [Pyunkang Yul] Brightening Maskpack for Porcelain Skin 25ml*10ea

COSRX The Alpha-Arbutin Discoloration Care Hydrogel Mask 34g X 3ea and [Pyunkang Yul] Brightening Maskpack for Porcelain Skin 25ml*10ea share 19 parsed ingredients. Differences highlighted below.

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Shared 19COSRX The Alpha-Arbutin Discoloration Care Hydrogel Mask 34g X 3ea only 23[Pyunkang Yul] Brightening Maskpack for Porcelain Skin 25ml*10ea only 13

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Shared formula

35%

Ingredients in every formula: 19in both formulas
Key actives unique to one formula: 3unique actives
Ingredient rows compared: 55rows compared

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

The formulas, row by row

55 ingredients across 2 labels

Differences only(36 of 55 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 Discoloration Care Hydrogel Mask 34g X 3ea $31.00 $31.00 at Kbeautymakeup ↗	Pyunkang Yul [Pyunkang Yul] Brightening Maskpack for Porcelain Skin 25ml*10ea $38.25 $38.25 at Kbeautymakeup ↗
Basics
Type & size	Mask · size not on the record	Mask · size not on the record
Brand origin	Korean	Korean
Offers
Where to buydiffers	$31.00 · Kbeautymakeup	$38.25 · Kbeautymakeup
Formula
Key activesdiffers	niacinamide, alpha-arbutin, panthenol, allantoin, ceramide np, sodium hyaluronate, hyaluronic acid	niacinamide, allantoin, panthenol, sodium hyaluronate, ascorbic acid, ceramide np
Free of	fragrance-free, sulfate-free, alcohol-free, paraben-free, silicone-free	fragrance-free, sulfate-free, alcohol-free, paraben-free, silicone-free
Heads-updiffers	pregnancy caution · fungal-acne triggerPore data not yet reviewed	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 · 42 ingredients	Fully parsed · 32 ingredients
Key actives · 3
alpha-arbutin Pregnancy: caution	yes	no
hyaluronic acid Pregnancy: generally fine	yes	no
vitamin c	no	yes
Rest of the labels · 33
acetyl glucosamine	yes	no
acrylates copolymer	yes	no
agar	yes	no
arginine	no	yes
butylene glycol	no	yes
carbomer	no	yes
cellulose gum	yes	no
centaurea cyanus flower water	no	yes
cetearyl alcohol	yes	no
chondrus crispus	yes	no
dipropylene glycol	no	yes
disodium edta	no	yes
erythritol	yes	no
ferulic acid	yes	no
glutathione	yes	no
glyceryl stearate Possible fungal-acne trigger	no	yes
hydrolyzed collagen	yes	no
hydrolyzed hyaluronic acid Pregnancy: generally fine	yes	no
hydrolyzed sodium hyaluronate Pregnancy: generally fine	yes	no
hydroxyethyl urea	no	yes
pearl extract	no	yes
pentylene glycol	yes	no
phytosphingosine	yes	no
pinus palustris leaf extract	no	yes
potassium chloride	yes	no
pueraria lobata root extract	no	yes
sclerotium gum	yes	no
sodium hyaluronate crosspolymer Pregnancy: generally fine	yes	no
sodium phytate	yes	no
stearic acid Fungal-acne trigger	yes	no
sucrose	yes	no
ulmus davidiana root extract	no	yes
vitamin e	yes	no

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 Pyunkang Yul if you want Vitamin C 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.