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COSRX The AHA 2 BHA 2 Blemish Treatment Serum

Serum

Check against official records

KR South Korea (MFDS)

3 ingredients with Korea limits or conditions.

Salicylic Acid, Zinc PCA, Sodium Hydroxide
EU European Union (CosIng)

3 ingredients with EU limits or conditions.

Salicylic Acid, Zinc PCA, Sodium Hydroxide
US United States (FDA)

No prohibited or restricted ingredients found in U.S. records.

#Ingredient (as listed)KR KoreaEU EUUS U.S.
1 Water ———
2 Propanediol ———
3 Polysorbate 20 ———
4 Glycolic Acid ———
5 Salicylic Acid Restricted Restricted · (a) 3.0% · (b) 2.0% ·… Approved preservative · 0,5% · 0,5% —
6 Gluconolactone ———
7 Zinc PCA Restricted Restricted · (a) 1% · (b) 0,72% ·… —
8 Allantoin ———
9 Sodium Hyaluronate ———
10 Sodium Hydroxide Restricted Restricted · (a) 5% · (b) 2% · 4.5%… —
11 Dipropylene Glycol ———
12 Hydroxyacetophenone ———
13 Caprylyl Glycol ———
14 Ethylhexylglycerin ———
15 Dipotassium Glycyrrhizate ———
16 1,2-Hexanediol ———
17 Disodium EDTA ———

“—” means no specific record for that ingredient in that jurisdiction's lists — it is not an approval. Restricted ingredients are allowed within limits (concentration, product type, label warnings); a product listing one is not necessarily over the limit. How we check.

Ingredient list from COSRX official store, retrieved Oct 17, 2026. Formulas change — check the label on the package you buy.

Other markets

Ingredients in this formula that are prohibited or limited in other markets, from the overseas regulation database compiled by Korea's MFDS. Limited means allowed within conditions.

MarketProhibitedLimited
CN China None found Salicylic Acid, Sodium Hydroxide, Zinc PCA
AS ASEAN (10 countries) None found Glycolic Acid, Salicylic Acid, Sodium Hydroxide, Zinc PCA
JP Japan None found Allantoin, Dipotassium Glycyrrhizate, Salicylic Acid
TW Taiwan None found Allantoin, Glycolic Acid, Salicylic Acid, Sodium Hydroxide
CA Canada None found Gluconolactone, Glycolic Acid, Salicylic Acid
BR Brazil None found Salicylic Acid, Sodium Hydroxide, Zinc PCA
AR Argentina None found Salicylic Acid, Sodium Hydroxide, Zinc PCA

Recalls & alerts for COSRX

Compare with

COSRX vs COSRXThe AHA 2 BHA 2 Blemish Treatment Serum vs Centella Blemish CreamCOSRX vs COSRXThe AHA 2 BHA 2 Blemish Treatment Serum vs Hydrium Moisture Power Enriched CreamCOSRX vs COSRXThe AHA 2 BHA 2 Blemish Treatment Serum vs Pure Fit Cica CreamCOSRX vs COSRXThe AHA 2 BHA 2 Blemish Treatment Serum vs Low pH Good Morning Gel CleanserCOSRX vs COSRXThe AHA 2 BHA 2 Blemish Treatment Serum vs Hydrium Centella Aqua Soothing AmpouleCOSRX vs COSRXThe AHA 2 BHA 2 Blemish Treatment Serum vs Hydrium Green Tea Aqua Soothing Gel Cream

Information only, not medical advice. If you are pregnant, have a skin condition or allergies, ask a dermatologist or pharmacist before use.

Ask KBeauty Verified™
KBeauty Verified™ — K-beauty checked against official records from Korea, the EU and the U.S.
Reading time:
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ChatGPT: 2 Claude: 0 Google · Gemini: 0 Perplexity: 0 Meta AI: 0 Amazon: 0 Others: 0
Read by AI & crawlers
ChatGPT2
Claude0
Google · Gemini0
Perplexity0
Meta AI0
Amazon0
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Named by what the crawler says it is; look-alikes we detect are counted under Others. Google · Gemini includes Googlebot, Google’s search crawler, whose index Google also uses for its AI features; other search engines and bots are in Others. AI visibility →