Korean: 다이메틸올에틸렌티오우레아 · CAS 15534-95-9 · Functions: antimicrobial, hair conditioning
Restricted MFDS restricted ingredients
Conditions (official MFDS text, Korean):
* 배합한도 : 두발용 제품류 및 손발톱용 제품류에 2%
(다만, 에어로졸(스프레이에 한함) 제품에는 사용금지)
기타 제품에는 사용금지
Source: MFDS — cosmetic ingredient use restrictions · checked Oct 17, 2026
Restricted Annex III/44
Maximum: (a) 2% (b) 2%
Conditions: Product type: (a) Hair products (b) Nail products (a) Not to be used in aerosol dispensers (sprays) (b) pH < 4
Required label warning: Contains Dimethylol ethylene thiourea
Source: EU CosIng — Annex III · checked Oct 17, 2026
No specific rule on file. The FDA regulates few cosmetic ingredients by name; no rule does not mean approval.
How Dimethylol Ethylene Thiourea is treated in 4 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): * 【제한】 적용 및 사용범위 : (a) 두발보호용품 (b) 손, 발톱 보호용품 * 【화장품 중 최대사용농도】 배합한도 (일반) : (a) 2% (b) 2% * 기타 제한조건 및 요구사항 : (a) 스프레이 용품에 사용금지 (b) 사용시 제품의 pH는 4이하여야 함 * 라벨에 반드시 표기해야하는 사용조건과 주의사항 : 디메틸 에틸렌 디오요소 함유 |
| AS ASEAN (10 countries) | Restricted | MFDS summary (Korean): * 【Restrictions】 Field of application and/or use : (a) Hair care preparations (b) Nail care preparations * 제한 【사용 범위】 : (a) 헤어 케어 제품 (b) 네일 케어 제품 * 【Restrictions】 Maximum authorised concentration in the finished cosmetic product : (a) Up to 2% (b) Up to 2% * 제한 【완제품에서 허용된 최대 농도】 : (a) 2% 까지... |
| BR Brazil | Restricted | MFDS summary (Korean): * Restrictions 【Field of application and/or use】 : (a) Products for hair treatment B. Products for nail care * 제한 【사용 범위】 : (a) 헤어트리트먼트 제품 (b) 네일 케어 제품 * Restrictions 【Maximum concentration permitted at final product】 : a.- 2% b.- 2% * 제한 【완제품에서 허용된 최대 농도】 : (a) 2% (b) 2% *... |
| AR Argentina | Restricted | MFDS summary (Korean): * Restrictions 【Field of application and/or use】 : (a) Products for hair treatment B. Products for nail care * 제한 【사용 범위】 : (a) 헤어트리트먼트 제품 (b) 네일 케어 제품 * Restrictions 【Maximum concentration permitted at final product】 : a.- 2% b.- 2% * 제한 【완제품에서 허용된 최대 농도】 : (a) 2% (b) 2% *... |
Source: MFDS cosmetic ingredient use restrictions — overseas regulations · checked Oct 17, 2026
DIMETHYLOL ETHYLENE THIOUREA 다이메틸올에틸렌티오우레아
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.
In the EU's CosIng records it is listed as “Restricted” (EU CosIng — Annex III). The maximum allowed is (a) 2% · (b) 2%. A restricted ingredient is allowed within the stated conditions.
In Korea's MFDS records it is listed as “Restricted” (MFDS — cosmetic ingredient use restrictions). A restricted ingredient is allowed within the stated conditions.
We found no specific rule for it in the FDA's records. That is not an approval or a safety statement.
The EU's CosIng inventory lists its functions as: antimicrobial, hair conditioning.
Korea's MFDS standard Korean name is 다이메틸올에틸렌티오우레아.
CAS 15534-95-9 (from official records).