Serum
4 ingredients with Korea limits or conditions.
Azelaic Acid, Sodium Hydroxide, Tocopherol, Zinc PCA4 ingredients with EU limits or conditions.
Sodium Hydroxide, Ethoxydiglycol, Zinc Hydrolyzed Hyaluronate, Zinc PCANo prohibited or restricted ingredients found in U.S. records.
| # | Ingredient (as listed) | KR Korea | EU EU | US U.S. |
|---|---|---|---|---|
| 1 | Water | — | — | — |
| 2 | Azelaic Acid | Restricted | — | — |
| 3 | Propylene Glycol | — | — | — |
| 4 | Sodium Hydroxide | Restricted | Restricted · (a) 5% · (b) 2% · 4.5%… | — |
| 5 | Ethoxydiglycol | — | Restricted · (a) 7% · (b) 5% · (c)… | — |
| 6 | Pentylene Glycol | — | — | — |
| 7 | Panthenol | — | — | — |
| 8 | Glycerin | — | — | — |
| 9 | Hydroxyethylcellulose | — | — | — |
| 10 | 1,2-Hexanediol | — | — | — |
| 11 | Ethylhexylglycerin | — | — | — |
| 12 | Allantoin | — | — | — |
| 13 | Biosaccharide Gum-1 | — | — | — |
| 14 | Butylene Glycol | — | — | — |
| 15 | Beta-Glucan | — | — | — |
| 16 | Cynanchum Atratum Extract | — | — | — |
| 17 | Althaea Rosea Flower Extract | — | — | — |
| 18 | Tocopherol | Restricted · 20% | — | — |
| 19 | Arginine | — | — | — |
| 20 | Betaine | — | — | — |
| 21 | Zinc Hydrolyzed Hyaluronate | — | Restricted · (a) 1% · (b) 0,72% ·… | — |
| 22 | Zinc PCA | Restricted | Restricted · (a) 1% · (b) 0,72% ·… | — |
| 23 | Sodium DNA(0.1 ppb) | — | — | — |
| 24 | Caprylic/Capric Triglyceride | — | — | — |
| 25 | Phosphatidylcholine | — | — | — |
| 26 | Ceramide NP | — | — | — |
| 27 | Glycine | — | — | — |
| 28 | Glutamic Acid | — | — | — |
| 29 | Serine | — | — | — |
| 30 | Alanine | — | — | — |
| 31 | Lysine | — | — | — |
| 32 | Proline | — | — | — |
| 33 | Threonine | — | — | — |
“—” 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 iUNIK official store, retrieved Oct 17, 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, Zinc PCA |
| AS ASEAN (10 countries) | None found | Azelaic Acid, Ethoxydiglycol, Sodium Hydroxide, Zinc PCA |
| JP Japan | None found | Allantoin, Panthenol |
| TW Taiwan | None found | Allantoin, Sodium Hydroxide |
| CA Canada | None found | Azelaic Acid, Glycerin |
| BR Brazil | None found | Azelaic Acid, Sodium Hydroxide, Zinc PCA |
| AR Argentina | None found | Azelaic Acid, Sodium Hydroxide, Zinc PCA |
Information only, not medical advice. If you are pregnant, have a skin condition or allergies, ask a dermatologist or pharmacist before use.