Serum
3 ingredients with Korea limits or conditions.
Tromethamine, Sodium Hydroxide, Tocopherol2 ingredients with EU limits or conditions.
Tromethamine, Sodium HydroxideNo prohibited or restricted ingredients found in U.S. records.
| # | Ingredient (as listed) | KR Korea | EU EU | US U.S. |
|---|---|---|---|---|
| 1 | Water | — | — | — |
| 2 | Gluconolactone | — | — | — |
| 3 | C9-12 Alkane | — | — | — |
| 4 | Propanediol | — | — | — |
| 5 | Butylene Glycol | — | — | — |
| 6 | 1,2-Hexanediol | — | — | — |
| 7 | Tromethamine | Restricted | Restricted · Maximum secondary amine… | — |
| 8 | Sodium Hydroxide | Restricted | Restricted · (a) 5% · (b) 2% · 4.5%… | — |
| 9 | Sodium Citrate | — | — | — |
| 10 | Citric Acid | — | Approved preservative · 0,2% · 0,0024% | — |
| 11 | Ethylhexylglycerin | — | — | — |
| 12 | Vaccinium Myrtillus Fruit Extract | — | — | — |
| 13 | Adenosine | — | — | — |
| 14 | Disodium Edta | — | — | — |
| 15 | Saccharum Officinarum (Sugarcane) Extract | — | — | — |
| 16 | Squalane | — | — | — |
| 17 | Citrus Aurantium Dulcis (Orange) Fruit Extract | — | — | — |
| 18 | Citrus Limon (Lemon) Fruit Extract | — | — | — |
| 19 | Acer Saccharum (Sugar Maple) Extract | — | — | — |
| 20 | Dioscorea Japonica Root Extract | — | — | — |
| 21 | Tocopherol | Restricted · 20% | — | — |
| 22 | Corchorus Olitorius Leaf Extract | — | — | — |
| 23 | Nelumbo Nucifera Root Extract | — | — | — |
| 24 | Hibiscus Esculentus Fruit Extract | — | — | — |
| 25 | Angelica Keiskei Extract | — | — | — |
| 26 | Capryloyl Salicylic Acid | — | — | — |
| 27 | Hippophae Rhamnoides Fruit Oil | — | — | — |
“—” 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.
“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)
This formula lists ingredients that are known to break down faster in heat, light or air:
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 | Sodium Hydroxide, Tromethamine |
| AS ASEAN (10 countries) | None found | Sodium Hydroxide, Tromethamine |
| JP Japan | None found | — |
| TW Taiwan | None found | Citric Acid, Sodium Hydroxide |
| CA Canada | None found | Citric Acid, Gluconolactone, Sodium Citrate |
| BR Brazil | None found | Citric Acid, Sodium Hydroxide, Tromethamine |
| AR Argentina | None found | Citric Acid, Sodium Hydroxide, Tromethamine |
Information only, not medical advice. If you are pregnant, have a skin condition or allergies, ask a dermatologist or pharmacist before use.