Korean: 적색228호 · Functions: hair dyeing
Restricted MFDS restricted ingredients
Maximum: 3%
Conditions (official MFDS text, Korean):
* 배합한도 : 3%
Source: MFDS — cosmetic ingredient use restrictions · checked Oct 16, 2026
Prohibited only in certain forms or uses Annex II/1345
Conditions: 1-[(2-Chloro-4-nitrophenyl)azo]-2-naphthol (Pigment Red 4; CI 12085) and its salts when used as a substance in hair dye products
Source: EU CosIng — Annex II · checked Oct 17, 2026
Approved colorant Annex IV/9
Conditions: 3%
Source: EU CosIng — Annex IV · checked Oct 17, 2026
No specific rule on file. The FDA regulates few cosmetic ingredients by name; no rule does not mean approval.
How Pigment Red 4 is treated in 3 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 |
|---|---|---|
| AS ASEAN (10 countries) | Prohibited only in certain forms or uses | MFDS summary (Korean): when used as a substance in hair dye products^염모제로 사용되는 경우에 한함 |
| BR Brazil | Prohibited only in certain forms or uses | MFDS summary (Korean): when used as a substance in hair dye products^염모제로 사용되는 경우에 한함 |
| AR Argentina | Prohibited only in certain forms or uses | 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 17, 2026
PIGMENT RED 4 피그먼트적색4호
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.
In the EU's CosIng records it is listed as “Prohibited only in certain forms or uses” (EU CosIng — Annex II). The same records also list it as: Approved colorant. It is not a general ban — the condition reads: “1-[(2-Chloro-4-nitrophenyl)azo]-2-naphthol (Pigment Red 4; CI 12085) and its salts when used as a substance in hair dye products”
In Korea's MFDS records it is listed as “Restricted” (MFDS — cosmetic ingredient use restrictions). The maximum allowed is 3%. A restricted ingredient is allowed within the stated conditions.
We found no specific rule for it in the FDA's records. That is not an approval or a safety statement.
The EU's CosIng inventory lists its functions as: hair dyeing.
Korea's MFDS standard Korean name is 적색228호.