Korean: 머큐릭옥사이드 · CAS 7439-97-6 · Functions: antimicrobial
Prohibited MFDS prohibited ingredients
Conditions (official MFDS text, Korean):
Trace : 수은 (1㎍/g이하)
Source: MFDS — cosmetic ingredient use restrictions · checked Oct 16, 2026
Prohibited Annex II/221
Source: EU CosIng — Annex II · checked Oct 16, 2026
No specific rule on file. The FDA regulates few cosmetic ingredients by name; no rule does not mean approval.
How Mercuric Oxide is treated in 7 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 | Prohibited | except those special cases included in table 4 |
| AS ASEAN (10 countries) | Prohibited | MFDS summary (Korean): Trace : 수은 (1㎍/g이하) |
| JP Japan | Prohibited | MFDS summary (Korean): Trace : 수은 (1㎍/g이하) |
| TW Taiwan | Prohibited | MFDS summary (Korean): 化粧品中含不純物之重金屬限量不得超出以下規定： (화장품 중 함유한 불순물의 중금속 한정량이 이하 규정을 초과해서는 안된다:) 1ppm |
| CA Canada | Prohibited | — |
| BR Brazil | Prohibited | except those special cases included in Annex V |
| AR Argentina | Prohibited | except those special cases included in Annex V |
Source: MFDS cosmetic ingredient use restrictions — overseas regulations · checked Oct 16, 2026
MERCURIC OXIDE 머큐릭옥사이드
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 “Prohibited” (EU CosIng — Annex II).
In Korea's MFDS records it is listed as “Prohibited” (MFDS — cosmetic ingredient use restrictions).
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.
Korea's MFDS standard Korean name is 머큐릭옥사이드.
CAS 7439-97-6 (from official records).