numbuzin No.4 Ceramide AHA Glazed Skin Prep Serum (30ml / 1.01 fl oz) vs CosRx, AHA/BHA, Clarifying Treatment Toner, 5.07 fl oz (150 ml)

numbuzin No.4 Ceramide AHA Glazed Skin Prep Serum (30ml / 1.01 fl oz) and CosRx, AHA/BHA, Clarifying Treatment Toner, 5.07 fl oz (150 ml) share 5 parsed ingredients. Differences highlighted below.

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Shared formula

11%

Ingredients in every formula

5in both formulas

Key actives unique to one formula

6unique actives

Ingredient rows compared

44rows compared

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

The formulas, row by row

44 ingredients across 2 labels

Differences only(39 of 44 rows)

Shared ingredients· none here

Product facts and full ingredient lists side by side

on 2+ labelsonly on this labelnot on this labelIngredient	Recommended numbuzin numbuzin No.4 Ceramide AHA Glazed Skin Prep Serum (30ml / 1.01 fl oz) $9.41 Save	COSRX CosRx, AHA/BHA, Clarifying Treatment Toner, 5.07 fl oz (150 ml) $14.57 Save
Basics
Type & size	Exfoliant · size not on the record	Exfoliant · size not on the record
Brand origin	Korean	Korean
Offers
Where to buy	Not recorded	Not recorded
Availabilitydiffers	Not recorded	in stock
Formula
Key activesdiffers	glycolic acid, niacinamide, panthenol, sodium hyaluronate, hyaluronic acid, urea, ceramide np	glycolic acid, allantoin, panthenol
Free of	fragrance-free, sulfate-free, alcohol-free, paraben-free, silicone-free	fragrance-free, sulfate-free, alcohol-free, paraben-free, silicone-free
Heads-updiffers	photosensitizing · fungal-acne triggerPore data not yet reviewed	pregnancy caution · photosensitizingPore 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 · 40 ingredients	Fully parsed · 9 ingredients
Key actives · 6
allantoin	no	yes
ceramide np	yes	no
hyaluronic acid Pregnancy: generally fine	yes	no
hyaluronic acid (salt form) Pregnancy: generally fine	yes	no
urea	yes	no
vitamin b3	yes	no
Rest of the labels · 33
adenosine	yes	no
benzyl glycol	yes	no
beta-glucan	yes	no
betaine	yes	no
betaine salicylate Pregnancy: caution	no	yes
ceramide ap	yes	no
ceramide as	yes	no
ceramide eop	yes	no
ceramide ns	yes	no
cetearyl alcohol	yes	no
cholesterol	yes	no
diphenyl dimethicone	yes	no
dipropylene glycol	yes	no
ethyl hexanediol	no	yes
ethylhexylglycerin	yes	no
gluconolactone	yes	no
glycerin	yes	no
hydrogenated lecithin	yes	no
hydrolyzed glycosaminoglycans	yes	no
hydrolyzed hyaluronic acid Pregnancy: generally fine	yes	no
hydroxyethyl urea	yes	no
hydroxyethylcellulose	yes	no
pentylene glycol	yes	no
phytosphingosine	yes	no
polyglyceryl-10 laurate Possible fungal-acne trigger	yes	no
propanediol	yes	no
sodium hyaluronate crosspolymer Pregnancy: generally fine	yes	no
sodium hydroxide	yes	no
sodium lactate	no	yes
sphingomonas ferment extract	yes	no
stearic acid Fungal-acne trigger	yes	no
triethylhexanoin	yes	no
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 numbuzin if you want Vitamin B3 in the formula.

Choose COSRX if you want Allantoin 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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Suggested from shared ingredients on the parsed labels — each pair opens as its own comparison.