Korean: 염기성청색26호 · Functions: hair dyeing
No specific rule on file.
Prohibited only in certain forms or uses Annex II/1340
Conditions: [4-[[4-Anilino-1-naphthyl][4-(dimethylamino)phenyl]methylene]cyclohexa-2,5-dien-1-ylidene]dimethylammonium chloride (Basic Blue 26; CI 44045) when used as a substance in hair dye products
Source: EU CosIng — Annex II · checked Oct 17, 2026
Approved colorant Annex IV/69
Conditions: Not to be used in products applied on the 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 Basic Blue 26 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 |
|---|---|---|
| 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 |
| TW Taiwan | Prohibited | MFDS summary (Korean): 不得使用於染髮用途化粧品 |
| 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
BASIC BLUE 26 염기성청색26호
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-Anilino-1-naphthyl][4-(dimethylamino)phenyl]methylene]cyclohexa-2,5-dien-1-ylidene]dimethylammonium chloride (Basic Blue 26; CI 44045) when used as a substance in hair dye products”
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: hair dyeing.
Korea's MFDS standard Korean name is 염기성청색26호.