Ask KBeauty Verified™
KBeauty Verified™ — K-beauty checked against official records from Korea, the EU and the U.S.
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Medicube TXA Niacinamide Serum

Serum

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Check against official records

KR South Korea (MFDS)

1 ingredient with Korea limits or conditions.

Chlorphenesin
EU European Union (CosIng)

2 ingredients with EU limits or conditions.

Arbutin, Rosa Centifolia Flower Oil
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 Niacinamide ———
3 Glycerin ———
4 Butylene Glycol ———
5 Tranexamic Acid ———
6 Arbutin —Restricted · 7 % —
7 Diethoxyethyl Succinate ———
8 Chlorphenesin Restricted · 0.30% Approved preservative · 0.3% —
9 C12-14 Alketh-12 ———
10 Ethylhexylglycerin ———
11 Xanthan Gum ———
12 Carbomer ———
13 Adenosine ———
14 Disodium EDTA ———
15 Melia Azadirachta Leaf Extract ———
16 Melia Azadirachta Flower Extract ———
17 1,2-Hexanediol ———
18 Panthenol ———
19 Cyanocobalamin ———
20 Betaine ———
21 Coccinia Indica Fruit Extract ———
22 Rosa Centifolia Flower Oil —Restricted —
23 Ferulic Acid ———
24 Corallina Officinalis Extract ———
25 Pentylene Glycol ———
26 Glutathione ———
27 Hydrolyzed Hyaluronic Acid ———
28 Hydrolyzed Sodium Hyaluronate ———
29 Dimethylsilanol Hyaluronate ———
30 Hyaluronic Acid ———
31 Potassium Hyaluronate ———
32 Sodium Hyaluronate ———
33 Hydroxypropyltrimonium Hyaluronate ———
34 Sodium Hyaluronate Crosspolymer ———
35 Sodium Hyaluronate Dimethylsilanol ———
36 Sodium Acetylated Hyaluronate ———
37 Acetyl Tetrapeptide-5 ———
38 Hexapeptide-9 ———
39 Palmitoyl Tripeptide-5 ———

“—” 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 Medicube official store, retrieved Oct 17, 2026. Formulas change — check the label on the package you buy.

Fragrance allergens (EU labelling)

This list includes 1 fragrance allergen that the EU requires to be named on the label when present above 0.001% in leave-on or 0.01% in rinse-off products: Rosa Centifolia Flower Oil.

Source: EU Cosmetics Regulation Annex III as amended by Regulation (EU) 2023/1545 — the list grew from 26 to over 80 entries; it applies to new products from 31 July 2026 and to all products from 31 July 2028. Shown for information; it is not a sign that a product is unsafe.

Storage & heat

Official storage statements

“Keep out of direct sunlight. Keep out of reach of children.” — Common precautions required on all cosmetics in Korea (Cosmetics Act Enforcement Rule, Annex 3)

On the brand's product page

“Store in a cool, dry place away from direct sunlight.”

Our note — heat, light & air

This formula lists ingredients that are known to break down faster in heat, light or air:

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 Chlorphenesin
AS ASEAN (10 countries) None found Chlorphenesin, Tranexamic Acid
JP Japan None found Chlorphenesin, Ferulic Acid, Panthenol
TW Taiwan None found Arbutin, Chlorphenesin, Tranexamic Acid
CA Canada None found Glycerin
BR Brazil None found Chlorphenesin
AR Argentina None found Chlorphenesin

Similar ingredient lists

Products from other brands whose ingredient lists overlap most with this one. The score weighs the first ingredients most (labels list them roughly by amount), skips ingredients found in most products, and counts UV filters and less common ingredients more. Similar ingredient lists (not a test of how they work) — amounts, texture and results can differ.

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Anua Niacinamide 10 TXA 4 Serum for Brightening and Dark Spots Serum
49% similar · Shares 11 of this product's first 20 ingredients, including Arbutin, Tranexamic Acid and Coccinia Indica Fruit Extract.
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Nature Republic NIACINAMIDE 10%+TXA 4% Dark Spot Correcting Serum 30ml Serum
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Arencia Holy Hyssop Glow Serum 12 Serum
46% similar · Shares 12 of this product's first 20 ingredients, including Arbutin, Niacinamide and Adenosine.
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Eqqualberry Vitamin illuminating Serum Serum
44% similar · Shares 16 of this product's first 20 ingredients, including Arbutin, Tranexamic Acid and Melia Azadirachta Leaf Extract.
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Arencia Overnight Red Collagen + Peptide Smoothie Serum 30 Serum
41% similar · Shares 9 of this product's first 20 ingredients, including Arbutin, Ferulic Acid and Niacinamide.
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Based on the listed ingredients only; recalculated weekly. Not a judgment of which product is better, safer or the same.

Compare with

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

Frequently asked questions

Is Medicube TXA Niacinamide Serum allowed in the European Union?

We found no prohibited ingredients. 2 ingredients have limits or conditions in the EU's CosIng records (Arbutin, Rosa Centifolia Flower Oil). That usually means a maximum amount, a product type or a label warning — not a ban.

Is Medicube TXA Niacinamide Serum allowed in South Korea?

We found no prohibited ingredients. 1 ingredient has limits or conditions in Korea's MFDS records (Chlorphenesin). That usually means a maximum amount, a product type or a label warning — not a ban.

Is Medicube TXA Niacinamide Serum allowed in the United States?

We found no prohibited or restricted ingredients in the FDA's records for its listed ingredients. This is a records check, not an approval.

Does Medicube TXA Niacinamide Serum contain fragrance allergens?

Yes — its list includes 1 that the EU requires to be named on labels: Rosa Centifolia Flower Oil. That is a labelling rule, not a sign the product is unsafe.

What are the main ingredients in Medicube TXA Niacinamide Serum?

Ingredient lists are in descending order of amount down to about 1%. The first five listed are: "Water, Niacinamide, Glycerin, Butylene Glycol, Tranexamic Acid. In total 39 ingredients are listed.

Where does this ingredient list come from?

From Medicube official store on October 17, 2026. We re-read it every week and keep earlier versions if the formula changes.

Ask KBeauty Verified™
KBeauty Verified™ — K-beauty checked against official records from Korea, the EU and the U.S.
Reading time:
Views: 0
ChatGPT: 1 Claude: 1 Google · Gemini: 0 Perplexity: 0 Meta AI: 0 Amazon: 0 Others: 1
Read by AI & crawlers
ChatGPT1
Claude1
Google · Gemini0
Perplexity0
Meta AI0
Amazon0
Others1

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 →