Korean: 5-(아세틸아미노)-4-하이드록시-3-((2-메틸페닐)아조)-2,7-나프탈렌다이설포닉애씨드 · CAS 6441-93-6 ·
Prohibited MFDS prohibited ingredients
Source: MFDS — cosmetic ingredient use restrictions · checked Oct 16, 2026
No specific rule on file.
No specific rule on file. The FDA regulates few cosmetic ingredients by name; no rule does not mean approval.
How 5-(acetylamino)-4-hydroxy-3-((2-methylphenyl)azo)-2,7-Naphthalenedisulfonic acid is treated in 4 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 | Prohibited | — |
| AS ASEAN (10 countries) | Prohibited | MFDS summary (Korean): when used as a substance in hair dye products^염모제로 사용되는 경우에 한함 |
| 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
5-(acetylamino)-4-hydroxy-3-((2-methylphenyl)azo)-2,7-Naphthalenedisulfonic acid 5-(아세틸아미노)-4-하이드록시-3-((2-메틸페닐)아조)-2,7-나프탈렌다이설포닉애씨드
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.