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 →

3-Methyl-1-phenyl-5-pyrazolone

Korean: 3-메틸-1-페닐-5-피라졸론 · CAS 89-25-8 ·

KR South Korea (MFDS)

Prohibited only in certain forms or uses MFDS prohibited ingredients

Conditions (official MFDS text, Korean):
다만, 3-메칠-1-페닐-5-파라졸론은 산화형염모제에서 용법·용량에 따른 혼합물의 염모성분으로서 0.25 % 이하는 제외

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

3-Methyl-1-phenyl-5-pyrazolone 3-메틸-1-페닐-5-피라졸론

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 3-Methyl-1-phenyl-5-pyrazolone 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 3-Methyl-1-phenyl-5-pyrazolone banned in South Korea?

In Korea's MFDS records it is listed as “Prohibited only in certain forms or uses” (MFDS — cosmetic ingredient use restrictions). It is not a general ban; see the condition on the ingredient page.

Is 3-Methyl-1-phenyl-5-pyrazolone 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 3-Methyl-1-phenyl-5-pyrazolone called on Korean labels?

Korea's MFDS standard Korean name is 3-메틸-1-페닐-5-피라졸론.

What is the CAS number of 3-Methyl-1-phenyl-5-pyrazolone?

CAS 89-25-8 (from official records).