Korean: 산성등색24호 · Functions: hair dyeing
Restricted MFDS restricted ingredients
Source: MFDS — cosmetic ingredient use restrictions · checked Oct 16, 2026
Prohibited Annex II/1232
Conditions: Acid Orange 24 (CI 20170), when used as a substance in hair dye products
Source: EU CosIng — Annex II · checked Oct 16, 2026
No specific rule on file. The FDA regulates few cosmetic ingredients by name; no rule does not mean approval.
How Acid Orange 24 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 | Restricted | — |
| AS ASEAN (10 countries) | Restricted | 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)】 : 외용의약품, 외용의약부외품, 화장품에 사용 할 수 있는 색소 * 화장품용 타르 색소 : 이 성분의 알루미늄레이크 포함 |
| TW Taiwan | Restricted | — |
Source: MFDS cosmetic ingredient use restrictions — overseas regulations · checked Oct 16, 2026
ACID ORANGE 24 갈색201호 산성등색24호
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” (EU CosIng — Annex II).
In Korea's MFDS records it is listed as “Restricted” (MFDS — cosmetic ingredient use restrictions). 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 산성등색24호.