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Basic Red 46

Korean: 염기성적색46호 · CAS 89959-98-8 · Functions: hair dyeing

KR South Korea (MFDS)

Prohibited MFDS prohibited ingredients

Source: MFDS — cosmetic ingredient use restrictions · checked Oct 17, 2026

EU European Union (CosIng)

Prohibited only in certain forms or uses Annex II/1259

Conditions: 3(or5)-((4-(Benzylmethylamino)phenyl)azo)-1,2-(or1,4)-dimethyl-1H-1,2,4-triazolium and its salts, when used as a substance in hair dye products

Source: EU CosIng — Annex II · checked Oct 17, 2026

US United States (FDA)

No specific rule on file. The FDA regulates few cosmetic ingredients by name; no rule does not mean approval.

Other markets

How Basic Red 46 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.

MarketStatusConditions
CN ChinaProhibited —
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 TaiwanProhibited —
BR BrazilProhibited only in certain forms or uses MFDS summary (Korean): when used as a substance in hair dye products^염모제로 사용되는 경우에 한함
AR ArgentinaProhibited 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

Also listed as

BASIC RED 46 염기성적색46호

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.

Frequently asked questions

Is Basic Red 46 banned in the European Union?

In the EU's CosIng records it is listed as “Prohibited only in certain forms or uses” (EU CosIng — Annex II). It is not a general ban — the condition reads: “3(or5)-((4-(Benzylmethylamino)phenyl)azo)-1,2-(or1,4)-dimethyl-1H-1,2,4-triazolium and its salts, when used as a substance in hair dye products”

Is Basic Red 46 banned in South Korea?

In Korea's MFDS records it is listed as “Prohibited” (MFDS — cosmetic ingredient use restrictions).

Is Basic Red 46 allowed in cosmetics in the U.S.?

We found no specific rule for it in the FDA's records. That is not an approval or a safety statement.

What is Basic Red 46 used for in cosmetics?

The EU's CosIng inventory lists its functions as: hair dyeing.

What is Basic Red 46 called on Korean labels?

Korea's MFDS standard Korean name is 염기성적색46호.

What is the CAS number of Basic Red 46?

CAS 89959-98-8 (from official records).

Ask KBeauty Verified™
KBeauty Verified™ — K-beauty checked against official records from Korea, the EU and the U.S.
Reading time:
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ChatGPT: 2 Claude: 1 Google · Gemini: 0 Perplexity: 0 Meta AI: 0 Amazon: 0 Others: 1
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Named by what the crawler says it is; look-alikes we detect are counted under Others. Google · Gemini includes Googlebot, Google’s search crawler, whose index Google also uses for its AI features; other search engines and bots are in Others. AI visibility →