Ask KBeauty Verified™

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

Reading time:

ChatGPT: 2 Claude: 0 Google · Gemini: 0 Perplexity: 0 Meta AI: 0 Amazon: 0 Others: 0

Read by AI & crawlers

ChatGPT2

Claude0

Google · Gemini0

Perplexity0

Meta AI0

Amazon0

Others0

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 →

HC Blue 16

CAS 502453-61-4 ·

KR South Korea (MFDS)

No specific rule on file.

EU European Union (CosIng)

Restricted Annex III/282

Maximum: 3,0 %

Conditions: Product type: Hair dye substance in non-oxidative hair dye products — Do not use with nitrosating agents — Maximum nitrosamine content: 50 μg/kg — Keep in nitrite-free containers

Source: EU CosIng — Annex III · 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.

Also listed as

HC Blue 16

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 HC Blue 16 banned in the European Union?

In the EU's CosIng records it is listed as “Restricted” (EU CosIng — Annex III). The maximum allowed is 3,0 %. A restricted ingredient is allowed within the stated conditions.

Is HC Blue 16 banned in South Korea?

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

Is HC Blue 16 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 the CAS number of HC Blue 16?

CAS 502453-61-4 (from official records).