Korean: 다이아미노피리미딘옥사이드 · CAS 74638-76-9 · Functions: hair conditioning, skin conditioning
Restricted MFDS restricted ingredients
Conditions (official MFDS text, Korean):
* 배합한도 : ∙ 두발용 제품류에 1.5%
∙ 기타 제품에는 사용금지
Source: MFDS — cosmetic ingredient use restrictions · checked Oct 16, 2026
Restricted Annex III/93
Maximum: 1.5%
Conditions: Product type: Hair products
Source: EU CosIng — Annex III · checked Oct 16, 2026
No specific rule on file. The FDA regulates few cosmetic ingredients by name; no rule does not mean approval.
How Diaminopyrimidine Oxide 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 : 두발제품 * 【화장품 중 최대사용농도】 배합한도 (일반) : 1.5% |
| AS ASEAN (10 countries) | Restricted | MFDS summary (Korean): * 【Restrictions】 Field of application and/or use : Hair care formulations * 제한 【사용 범위】 : 헤어 케어 포뮬레이션 * 【Restrictions】 Maximum authorised concentration in the finished cosmetic product : 1.5 % * 제한 【완제품에서 허용된 최대 농도】 : 1.5 % |
| BR Brazil | Restricted | MFDS summary (Korean): * Restrictions 【Field of application and/or use】 : Formulations for hair care * 제한 【사용 범위】 : 헤어 케어의 포뮬레이션 * Restrictions 【Maximum concentration permitted at final product】 : 1.5% * 제한 【완제품에서 허용된 최대 농도】 : 1.5% |
| AR Argentina | Restricted | MFDS summary (Korean): * Restrictions 【Field of application and/or use】 : Formulations for hair care * 제한 【사용 범위】 : 헤어 케어의 포뮬레이션 * Restrictions 【Maximum concentration permitted at final product】 : 1.5% * 제한 【완제품에서 허용된 최대 농도】 : 1.5% |
Source: MFDS cosmetic ingredient use restrictions — overseas regulations · checked Oct 16, 2026
DIAMINOPYRIMIDINE OXIDE 다이아미노피리미딘옥사이드
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 1.5%. 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: hair conditioning, skin conditioning.
Korea's MFDS standard Korean name is 다이아미노피리미딘옥사이드.
CAS 74638-76-9 (from official records).