Ask KBeauty Verified™

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

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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 →

TIRTIR Niacinamide 20% Serum

Name: TIRTIR Niacinamide 20% Serum
Brand: TIRTIR

Serum

Check against official records

KR South Korea (MFDS)

2 ingredients with Korea limits or conditions.

Tromethamine, Zinc PCA

EU European Union (CosIng)

4 ingredients with EU limits or conditions.

Alpha-Arbutin, Tromethamine, Retinol, Zinc PCA

US United States (FDA)

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

#	Ingredient (as listed)	KR Korea	EU EU	US U.S.
1	Aqua/Water/Eau	—	—	—
2	Niacinamide	—	—	—
3	Glycerin	—	—	—
4	Butylene Glycol	—	—	—
5	Propanediol	—	—	—
6	Alpha-Arbutin	—	Restricted · (a) 2% · (b) 0,5%	—
7	1,2-Hexanediol	—	—	—
8	Hydroxyacetophenone	—	—	—
9	Acrylates/C10-30 Alkyl Acrylate Crosspolymer	—	—	—
10	Tromethamine	Restricted	Restricted · Maximum secondary amine…	—
11	Glycereth-25 PCA Isostearate	—	—	—
12	Ethylhexylglycerin	—	—	—
13	Caprylic/capric Triglyceride	—	—	—
14	Macadamia Ternifolia Seed Oil	—	—	—
15	Zea Mays Kernel Extract	—	—	—
16	Disodium EDTA	—	—	—
17	Hydroxyethyl Acrylate/Sodium Acryloyldimethyl Taurate Copolymer	—	—	—
18	Hydrogenated Lecithin	—	—	—
19	Retinol	—	Restricted · (a) 0,05% · (b) 0,3%	—
20	Hyaluronic Acid	—	—	—
21	Hydrolyzed Hyaluronic Acid	—	—	—
22	Sodium Hyaluronate	—	—	—
23	Brassica Campestris Sterols	—	—	—
24	Cholesterol	—	—	—
25	Polyglyceryl-10 Laurate	—	—	—
26	Phytosteryl/Behenyl/Octyldodecyl Lauroyl Glutamate	—	—	—
27	Aluminum/Magnesium Hydroxide Stearate	—	—	—
28	Pentaerythrityl Tetra-Di-t-Butyl Hydroxyhydrocinnamate	—	—	—
29	Polysorbate 60	—	—	—
30	Sorbitan Isostearate	—	—	—
31	Fructan	—	—	—
32	Potassium Cetyl Phosphate	—	—	—
33	Glucose	—	—	—
34	Chitosan	—	—	—
35	Tris(Tetramethylhydroxypiperidinol) Citrate	—	—	—
36	Glutathione	—	—	—
37	Zinc PCA	Restricted	Restricted · (a) 1% · (b) 0,72% ·…	—

“—” 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 TIRTIR official store, retrieved Oct 16, 2026. Formulas change — check the label on the package you buy.

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)

Our note — heat, light & air

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

Retinol — light, air, heat

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.

Market	Prohibited	Limited
CN China	None found	Tromethamine, Zinc PCA
AS ASEAN (10 countries)	None found	Tromethamine, Zinc PCA
JP Japan	None found	—
TW Taiwan	None found	—
CA Canada	None found	Glycerin, Retinol
BR Brazil	None found	Tromethamine, Zinc PCA
AR Argentina	None found	Tromethamine, Zinc PCA

Recalls & alerts for TIRTIR

US May 30, 2025 — ULTRAVIOLET SCREEN/SUNSCREEN N.E.C.: UNAPPROVED: The article is subject to refusal of admission pursuant to Section 801(a)(3) in that it appears to be a new drug within the meaning of Section... source
US May 27, 2025 — ULTRAVIOLET SCREEN/SUNSCREEN N.E.C.: UNAPPROVED: The article is subject to refusal of admission pursuant to Section 801(a)(3) in that it appears to be a new drug within the meaning of Section... source

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.