Korean: 프로필렌티오우레아; 2-이미다졸린에티오닌,4-메틸- · CAS 2122-19-2 ·
Prohibited MFDS prohibited ingredients
Source: MFDS — cosmetic ingredient use restrictions · checked Oct 17, 2026
No specific rule on file.
No specific rule on file. The FDA regulates few cosmetic ingredients by name; no rule does not mean approval.
How Propylenethiourea; 2-Imidazolidinethione, 4-methyl- is treated in 6 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 only in certain forms or uses | with the exception of the one listed in table 3 |
| AS ASEAN (10 countries) | Prohibited only in certain forms or uses | with the exception of the one listed in Annex III, Part 1 |
| TW Taiwan | Prohibited | — |
| CA Canada | Prohibited | — |
| BR Brazil | Prohibited only in certain forms or uses | with the exception of the one listed in Annex III |
| AR Argentina | Prohibited only in certain forms or uses | with the exception of the one listed in Annex III |
Source: MFDS cosmetic ingredient use restrictions — overseas regulations · checked Oct 17, 2026
Propylenethiourea; 2-Imidazolidinethione, 4-methyl- 프로필렌티오우레아; 2-이미다졸린에티오닌,4-메틸-
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.
We found no specific rule for it in the EU's CosIng records. That is not an approval or a safety statement.
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.
Korea's MFDS standard Korean name is 프로필렌티오우레아; 2-이미다졸린에티오닌,4-메틸-.
CAS 2122-19-2 (from official records).