numbuzin No.4 Ceramide AHA Glazed Skin Prep Serum (30ml / 1.01 fl oz) vs CosRx, The AHA BHA PHA LHA 35 Peel, 1.01 fl oz (30 ml)

numbuzin No.4 Ceramide AHA Glazed Skin Prep Serum (30ml / 1.01 fl oz) and CosRx, The AHA BHA PHA LHA 35 Peel, 1.01 fl oz (30 ml) share 11 parsed ingredients. Differences highlighted below.

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Shared 11numbuzin No.4 Ceramide AHA Glazed Skin Prep Serum (30ml / 1.01 fl oz) only 29CosRx, The AHA BHA PHA LHA 35 Peel, 1.01 fl oz (30 ml) only 10

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Shared formula

22%

Ingredients in every formula: 11in both formulas
Key actives unique to one formula: 9unique actives
Ingredient rows compared: 50rows compared

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

The formulas, row by row

50 ingredients across 2 labels

Differences only(39 of 50 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	COSRX CosRx, The AHA BHA PHA LHA 35 Peel, 1.01 fl oz (30 ml) $17.30
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, lactic acid, mandelic acid, panthenol, salicylic acid, allantoin
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 · 21 ingredients
Key actives · 9
aha exfoliant (gentle)	no	yes
allantoin	no	yes
bha exfoliant	no	yes
ceramide np	yes	no
hyaluronic acid Pregnancy: generally fine	yes	no
hyaluronic acid (salt form) Pregnancy: generally fine	yes	no
mandelic acid Pregnancy: generally fine	no	yes
urea	yes	no
vitamin b3	yes	no
Rest of the labels · 30
adenosine	yes	no
benzyl glycol	yes	no
beta-glucan	yes	no
betaine	yes	no
butylene glycol	yes	no
capryloyl salicylic acid 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
cyanocobalamin	no	yes
diphenyl dimethicone	yes	no
glycerin	yes	no
hydrogenated lecithin	yes	no
hydrolyzed glycosaminoglycans	yes	no
hydroxyethyl urea	yes	no
methylpropanediol	no	yes
phytosphingosine	yes	no
polyglyceryl-10 laurate Possible fungal-acne trigger	yes	no
potassium hydroxide	no	yes
propanediol	yes	no
sodium hyaluronate crosspolymer Pregnancy: generally fine	yes	no
sodium hydroxide	yes	no
sodium phosphate	no	yes
sodium polyacryloyldimethyl taurate	no	yes
sphingomonas ferment extract	yes	no
stearic acid Fungal-acne trigger	yes	no
triethylhexanoin	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 AHA exfoliant (gentle) 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.