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

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Undecylenic acid, its salts and monoethanolamide

Korean: 운데실레닉애씨드 및 그 염류 및 모노에탄올아마이드 · CAS 112-38-9 ·

KR South Korea (MFDS)

Restricted MFDS restricted ingredients

Conditions (official MFDS text, Korean):
* 배합한도 : ∙ 사용 후 씻어내는 제품에 산으로서 0.2% ∙ 기타 제품에는 사용금지

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

Undecylenic acid, its salts and monoethanolamide 운데실레닉애씨드 및 그 염류 및 모노에탄올아마이드

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 Undecylenic acid, its salts and monoethanolamide 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 Undecylenic acid, its salts and monoethanolamide 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 Undecylenic acid, its salts and monoethanolamide 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 Undecylenic acid, its salts and monoethanolamide called on Korean labels?

Korea's MFDS standard Korean name is 운데실레닉애씨드 및 그 염류 및 모노에탄올아마이드.

What is the CAS number of Undecylenic acid, its salts and monoethanolamide?

CAS 112-38-9 (from official records).