Korean: CI 42510 · Functions: colorant
No specific rule on file.
Prohibited only in certain forms or uses Annex II/1329
Conditions: 4-[(4-Aminophenyl)(4-iminocyclohexa-2,5-dien-1-ylidene)methyl]-o-toluidine (CAS 3248-93-9; EINECS 221-832-2) and its hydrochloride salt (Basic Violet 14; CI 42510) (CAS 632-99-5; EINECS 211-189-6) when used as a substance in hair dye products
Source: EU CosIng — Annex II · checked Oct 17, 2026
Approved colorant Annex IV/66
Conditions: Not to be used in products applied on mucous membranes
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 CI 42510 is treated in 5 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) | Restricted | MFDS summary (Korean): * Field of application : Colouring agents allowed exclusively in cosmetic products intended not to come into contact with the mucous membranes when used as a substance in hair dye products^염모제로 사용되는 경우에 한함 |
| TW Taiwan | Restricted | MFDS summary (Korean): 不得使用於染髮用途化粧品 |
| BR Brazil | Restricted | MFDS summary (Korean): * Restrictions 【Field of application and/or use】 : Dye Substances allowed exclusively in products that do not have contact with mucosa in regular and predictable use conditions. * 제한 【사용 범위】 : 일반적이고 예상가능한 사용 조건에서 점막에 닿지않는 제품에 한해서만 허용된 염색 성분 when used as a substance in hair dye products^염모제로 사용되는 경우에 한함 |
| AR Argentina | Restricted | MFDS summary (Korean): * Restrictions 【Field of application and/or use】 : Dye Substances allowed exclusively in products that do not have contact with mucosa in regular and predictable use conditions. * 제한 【사용 범위】 : 일반적이고 예상가능한 사용 조건에서 점막에 닿지않는 제품에 한해서만 허용된 염색 성분 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
CI 42510
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: “4-[(4-Aminophenyl)(4-iminocyclohexa-2,5-dien-1-ylidene)methyl]-o-toluidine (CAS 3248-93-9; EINECS 221-832-2) and its hydrochloride salt (Basic Violet 14; CI 42510) (CAS 632-99-5; EINECS 211-189-6) when used as a substanc…”
We found no specific rule for it in Korea's MFDS records. That is not an approval or a safety statement.
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: colorant.
Korea's MFDS standard Korean name is CI 42510.