Ask KBeauty Verified™

KBeauty Verified™ — K-beauty checked against official records from Korea, the EU and the U.S.

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Basic Blue 99

Korean: 염기성청색99호 · CAS 68123-13-7 · Functions: hair conditioning, hair dyeing

KR South Korea (MFDS)

Restricted MFDS restricted ingredients

Conditions (official MFDS text, Korean):
* 배합한도 : 염모용 화장품에만 사용

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

EU European Union (CosIng)

No specific rule on file.

US United States (FDA)

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

Also listed as

BASIC BLUE 99 Basic Blue 99,CI 56059 염기성청색99호 CI 56059

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 Blue 99 banned in the European Union?

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

Is Basic Blue 99 banned in South Korea?

In Korea's MFDS records it is listed as “Restricted” (MFDS — cosmetic ingredient use restrictions). A restricted ingredient is allowed within the stated conditions.

Is Basic Blue 99 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 Blue 99 used for in cosmetics?

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

What is Basic Blue 99 called on Korean labels?

Korea's MFDS standard Korean name is 염기성청색99호.

What is the CAS number of Basic Blue 99?

CAS 68123-13-7 (from official records).