Korean: o-사이멘-5-올 · CAS 3228-02-02 ,39660-61-2 · Functions: antimicrobial, deodorant, preservative
Restricted MFDS restricted ingredients
Maximum: 0.1%
Conditions (official MFDS text, Korean):
* 배합한도 : 0.1%
Source: MFDS — cosmetic ingredient use restrictions · checked Oct 16, 2026
Approved preservative Annex V/38
Maximum: 0.1%
Conditions: 4-Isopropyl-m-cresol
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 O-Cymen-5-Ol 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 |
|---|---|---|
| AS ASEAN (10 countries) | Restricted | MFDS summary (Korean): * 【Restrictions】 Maximum authorised concentration in the finished cosmetic product : 0.1% * 제한 【완제품에서 허용된 최대 농도】 : 0.1% |
| JP Japan | Restricted | MFDS summary (Korean): （注1）空欄は、配合してはならないことを示し、○印は、配合の上限がないことを示す。 * 【100g당 최대 배합량 (점막에 사용하지 않고 씻어내는 화장품 -Cosmetics not used for mucosa and to be washed away)】 : 한도 제한 없음(there is no upper limit for the amount of ingredient.) * 【100g당 최대 배합량 (점막에 사용하지 않고 씻어내지 않는 화장품 - Cosmetics not used for mucosa and not to be washed... |
| 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): * Restrictions 【Maximum concentration permitted at final product】 : 0.1% * 제한 【완제품에서 허용된 최대 농도】 : 0.1% |
| AR Argentina | Restricted | MFDS summary (Korean): * Restrictions 【Maximum concentration permitted at final product】 : 0.1% * 제한 【완제품에서 허용된 최대 농도】 : 0.1% |
Source: MFDS cosmetic ingredient use restrictions — overseas regulations · checked Oct 16, 2026
O-CYMEN-5-OL o-사이멘-5-올
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 “Approved preservative” (EU CosIng — Annex V). The maximum allowed is 0.1%. It is allowed for that use within the stated conditions.
In Korea's MFDS records it is listed as “Restricted” (MFDS — cosmetic ingredient use restrictions). The maximum allowed is 0.1%. 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, deodorant, preservative.
Korea's MFDS standard Korean name is o-사이멘-5-올.
5 products we checked list it, for example Anua Azelaic 3 Cica Skin Clarifying Toner, Medicube Azelaic Acid Niacinamide Clarifying Toner, APRILSKIN Carrotene IPMP™ Clearing Solution.
CAS 3228-02-02 ,39660-61-2 (from official records).