Korean: 엠이에이-운데실레네이트 · CAS 6159-41-7 · Functions: preservative, surfactant - cleansing
Restricted MFDS restricted ingredients
Conditions (official MFDS text, Korean):
2급 아민함량이 0.5%를 초과하는 경우에 한함
Source: MFDS — cosmetic ingredient use restrictions · checked Oct 16, 2026
Restricted Annex III/61
Maximum: Maximum secondary amine content: 0.5%
Conditions: - Do not use with nitrosating systems - Minimum purity: 99% - Maximum secondary amine content: 0.5% (applies to raw materials) - Maximum nitrosamine content: 50 microgram/kg - Keep in nitrite-free containers
Source: EU CosIng — Annex III · checked Oct 16, 2026
Approved preservative Annex V/18
Maximum: 0.2% (as acid)
Conditions: Undec-10-enoic acid and its salts
Source: EU CosIng — Annex V · checked Oct 16, 2026
No specific rule on file. The FDA regulates few cosmetic ingredients by name; no rule does not mean approval.
How MEA-Undecylenate 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 | Restricted | MFDS summary (Korean): <사용제한성분> * 기타 제한조건 및 요구사항 : 니트로화 시스템과 함께 사용하지 않고, 니트로아소민의 형성을 피해야 함; 최대순도는 99%이며, 원료 중 2차 알킬아민의 최대함량은 0.5%임; 제품 중 니트로아소민의 최대함량은 50μg/kg임; 아질산염이 없는 용기에 보존하여야 함. <사용제한 방부제> * 【화장품 중 최대사용농도】 배합한도 (일반) : 총량 0..2%(산으로 계산) |
| AS ASEAN (10 countries) | Restricted | MFDS summary (Korean): * 【Restrictions】 Maximum authorised concentration in the finished cosmetic product : Maximum secondary amine content: 0.5% * 제한 【완제품에서 허용된 최대 농도】 : 2급 아민 최대 허용 함량 : 0.5% * 【Restrictions】 Other limitations and requirements : • Do not use with nitrosating systems • Minimum purity: 99% • Maximum... |
| TW Taiwan | Restricted | MFDS summary (Korean): ※ 未列於本表中之防腐劑成分，倘歐、美、日三國家地區政府已公告准用且有其限量管制規定者，我國亦依其限用標準准予使用。 倘前述三國家地區政府管理有差異時，則採其中限量規定方式最安全者。 ※ 本表所稱之口腔製劑，包含非藥用牙膏、漱口水類及美白牙齒類等化粧品。 * 단서조항 : ※ 未列於本表中之防腐劑成分，倘歐、美、日三國家地區政府已公告准用且有其限量管制規定者，我國亦依其限用標準准予使用。 倘前述三國家地區政府管理有差異時，則採其中限量規定方式最安全者。 ※ 本表所稱之口腔製劑，包含非藥用牙膏、漱口水類及美白牙齒類等化粧品。 ※ 본 표에 열거되지 않은 방부제 성분은 유럽, 미국,... |
| BR Brazil | Restricted | MFDS summary (Korean): <배합한도 : Monoalkyl and monoalkanol and its salts> * Restrictions 【Maximum concentration permitted at final product】 : Under maximum secondary amine: 0.5% * 제한 【완제품에서 허용된 최대 농도】 : 2급 아민 최대 허용 함량 : 0.5% * Restrictions 【Other limitations and requirements】 : No use with nitrosating systems.... |
| AR Argentina | Restricted | MFDS summary (Korean): <배합한도 : Monoalkyl and monoalkanol and its salts> * Restrictions 【Maximum concentration permitted at final product】 : Under maximum secondary amine: 0.5% * 제한 【완제품에서 허용된 최대 농도】 : 2급 아민 최대 허용 함량 : 0.5% * Restrictions 【Other limitations and requirements】 : No use with nitrosating systems.... |
Source: MFDS cosmetic ingredient use restrictions — overseas regulations · checked Oct 16, 2026
MEA-UNDECYLENATE 엠이에이-운데실레네이트
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.