Korean: 녹색401호 · Functions: colorant
Restricted MFDS restricted ingredients
Conditions (official MFDS text, Korean):
* 배합한도 : 눈 주위 및 입술에 사용할 수 없음
Source: MFDS — cosmetic ingredient use restrictions · checked Oct 16, 2026
Prohibited Annex II/1342
Conditions: Trisodium tris[5,6-dihydro-5-(hydroxyimino)-6-oxonaphthalene-2-sulphonate(2-)-N5,O6]ferrate(3-); (Acid Green 1; CI 10020) when used as a substance in hair dye products
Source: EU CosIng — Annex II · checked Oct 16, 2026
Approved colorant Annex IV/2
Conditions: Not to be used in products applied on mucous membranes
Source: EU CosIng — Annex IV · checked Oct 16, 2026
No specific rule on file. The FDA regulates few cosmetic ingredients by name; no rule does not mean approval.
How CI 10020 is treated in 6 more markets, from the overseas cosmetic regulation database compiled by Korea's MFDS. Always confirm with the regulator of that country before selling there.
| Market | Status | Conditions |
|---|---|---|
| CN China | Restricted | MFDS summary (Korean): * 기타 제한조건 및 요구사항 : 염색제품에 사용금지 * 착색제 【사용허가 범위】 : 점막에 접촉하지 않는 화장품 전용 |
| AS ASEAN (10 countries) | Prohibited | MFDS summary (Korean): when used as a substance in hair dye products^염모제로 사용되는 경우에 한함 |
| JP Japan | Restricted | MFDS summary (Korean): * 【제품 타입 또는 목적 (types or intended purposes of cosmetics)】 : 점막에 사용되지 않는 외용의약품, 외용의약부외품, 화장품에 사용 할 수 있는 색소 |
| TW Taiwan | Restricted | MFDS summary (Korean): 1. 所列色素與非禁用成分形成之麗基（lakes）及鹽（salts）亦可使用。 2. 未列載於此表規定範圍之成分，於歐盟、美國及日本三國家地區，任何其中一個國家地區官方已公告（以生效日為準）其使用基準者，得參照其基準規定准予使用(但下表CI 11380 等十九項成分不適用)，惟於申請查驗登記時，應同時檢附該等地區之准許使用基準證明文件。 * 단서조항 : 1. 所列色素與非禁用成分形成之麗基（lakes）及鹽（salts）亦可使用。 2.... |
| BR Brazil | Prohibited | MFDS summary (Korean): when used as a substance in hair dye products^염모제로 사용되는 경우에 한함 |
| AR Argentina | Prohibited | MFDS summary (Korean): when used as a substance in hair dye products^염모제로 사용되는 경우에 한함 |
Source: MFDS cosmetic ingredient use restrictions — overseas regulations · checked Oct 16, 2026
Acid Green CI 10020 Naphthol Green B 산성녹색1호
Information only, not medical advice. Rules change — always check the linked official source. If you are pregnant, have a skin condition or allergies, ask a dermatologist or pharmacist.