Ask KBeauty Verified™

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

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alpha-Methylcholine; 2-Propanaminium, 1-hydroxy-N,N,N,-trimethyl-

Korean: 알파-메틸콜린;2-프로판아미늄,1-하이드록시-N,N,N,-트라이메틸- · CAS 21618-46-2 ·

KR South Korea (MFDS)

Prohibited MFDS prohibited ingredients

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.

Other markets

How alpha-Methylcholine; 2-Propanaminium, 1-hydroxy-N,N,N,-trimethyl- 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.

Market	Status	Conditions
CN China	Prohibited	—
AS ASEAN (10 countries)	Prohibited	—
CA Canada	Prohibited	—
BR Brazil	Prohibited	—
AR Argentina	Prohibited	—

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

Also listed as

alpha-Methylcholine; 2-Propanaminium, 1-hydroxy-N,N,N,-trimethyl- 알파-메틸콜린;2-프로판아미늄,1-하이드록시-N,N,N,-트라이메틸-

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 alpha-Methylcholine; 2-Propanaminium, 1-hydroxy-N,N,N,-trimethyl- 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 alpha-Methylcholine; 2-Propanaminium, 1-hydroxy-N,N,N,-trimethyl- banned in South Korea?

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

Is alpha-Methylcholine; 2-Propanaminium, 1-hydroxy-N,N,N,-trimethyl- 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 alpha-Methylcholine; 2-Propanaminium, 1-hydroxy-N,N,N,-trimethyl- called on Korean labels?

Korea's MFDS standard Korean name is 알파-메틸콜린;2-프로판아미늄,1-하이드록시-N,N,N,-트라이메틸-.

What is the CAS number of alpha-Methylcholine; 2-Propanaminium, 1-hydroxy-N,N,N,-trimethyl-?

CAS 21618-46-2 (from official records).