Korean: 알에이치-폴리펩타이드-4 · Functions: skin conditioning
No specific rule on file.
Prohibited Annex II/416
Conditions: Cells, tissues or products of human origin
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 Rh-Polypeptide-4 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 | Prohibited | — |
| AS ASEAN (10 countries) | Prohibited | — |
| TW Taiwan | Prohibited | For case review, the applicant should submit relevant documents or information, including the qualifications of the exosome donor, preparation processes and inspection reports, stability tests, safety tests, as well as absorption, distribution, metabolism, and excretion tests. |
| BR Brazil | Prohibited | — |
| AR Argentina | Prohibited | — |
Source: MFDS cosmetic ingredient use restrictions — overseas regulations · checked Oct 16, 2026
RH-POLYPEPTIDE-4 알에이치-폴리펩타이드-4
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).
We found no specific rule for it in Korea's MFDS records. That is not an approval or a safety statement.
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: skin conditioning.
Korea's MFDS standard Korean name is 알에이치-폴리펩타이드-4.