Korean: 암모니아 · CAS 7664-41-7 · Functions: buffering, fragrance
Restricted MFDS restricted ingredients
Maximum: 6%
Conditions (official MFDS text, Korean):
* 배합한도 : 6%
Source: MFDS — cosmetic ingredient use restrictions · checked Oct 17, 2026
Restricted Annex III/4
Maximum: 6% (as NH3)
Conditions: Ammonia
Required label warning: Above 2%: Contains ammonia
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 Ammonia 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): * 【화장품 중 최대사용농도】 배합한도 (일반) : 6%(NH3로 계산) * 라벨에 반드시 표기해야하는 사용조건과 주의사항 : 2% 이상 함유시 “암모니아 함유”를 표기함 |
| AS ASEAN (10 countries) | Restricted | MFDS summary (Korean): * 【Restrictions】 Maximum authorised concentration in the finished cosmetic product : 6% calculated as NH3 * 제한 【완제품에서 허용된 최대 농도】 : NH3로서 계산했을 때 6% * Conditions of use and warning which must be printed on the labels : Above 2%: Contains ammonia * 사용 조건 및 포장지에 명시되어야 하는 경고사항 : 위의 2% : 암모니아를 포함한다. |
| TW Taiwan | Restricted | MFDS summary (Korean): ※ 染髮、脫色、脫染及燙髮產品之應刊載之注意事項，應依衛生福利部公告刊載之。 ※ 染髮產品之限量標準：係指該成分依產品使用說明書混合後之最高允許使用量。 ※ 化粧品之外包裝或容器，應明顯標示本表所列成分之注意事項。因外包裝或容器表面積過小或其他特殊情形致不能標示者，應於標籤、仿單或以其他方式刊載之。 ※ 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。 ※ 化粧品宣稱效能者，須符合化粧品標示宣傳廣告涉及虛偽誇大或醫療效能認定準則規定。 * 단서조항 : ※ 染髮、脫色、脫染及燙髮產品之應刊載之注意事項，應依衛生福利部公告刊載之。 ※... |
| BR Brazil | Restricted | MFDS summary (Korean): * Restrictions 【Maximum concentration permitted at final product】 : 6% calculated as NH3 * 제한 【완제품에서 허용된 최대 농도】 : NH3로서 계산했을때 6% * Use conditions and warnings that must appear on the label : Above 2%: contains ammonia * 라벨에 반드시 표기해야 하는 사용 조건 및 주의사항 : 위의 2% : 암모니아를 포함한다. |
| AR Argentina | Restricted | MFDS summary (Korean): * Restrictions 【Maximum concentration permitted at final product】 : 6% calculated as NH3 * 제한 【완제품에서 허용된 최대 농도】 : NH3로서 계산했을때 6% * Use conditions and warnings that must appear on the label : Above 2%: contains ammonia * 라벨에 반드시 표기해야 하는 사용 조건 및 주의사항 : 위의 2% : 암모니아를 포함한다. |
Source: MFDS cosmetic ingredient use restrictions — overseas regulations · checked Oct 17, 2026
AMMONIA 암모니아
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 6% (as NH3). A restricted ingredient is allowed within the stated conditions.
In Korea's MFDS records it is listed as “Restricted” (MFDS — cosmetic ingredient use restrictions). The maximum allowed is 6%. 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: buffering, fragrance.
Korea's MFDS standard Korean name is 암모니아.
CAS 7664-41-7 (from official records).