Ask KBeauty Verified™

KBeauty Verified™ — K-beauty checked against official records from Korea, the EU and the U.S.

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Genistein

Korean: 제니스테인 · CAS 446-72-0 · Functions: skin conditioning - miscellaneous

KR South Korea (MFDS)

No specific rule on file.

EU European Union (CosIng)

Restricted Annex III/373

Maximum: 0,007 %

Conditions: From 1 February 2025 cosmetic products containing that substance and not complying with the conditions shall not be placed on the Union market. From 1 November 2025 cosmetic products containing that substance and not complying with the conditions shall not be made available on the Union market.

Source: EU CosIng — Annex III · checked Oct 17, 2026

US United States (FDA)

No specific rule on file. The FDA regulates few cosmetic ingredients by name; no rule does not mean approval.

Also listed as

GENISTEIN 제니스테인

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.

Frequently asked questions

Is Genistein banned in the European Union?

In the EU's CosIng records it is listed as “Restricted” (EU CosIng — Annex III). The maximum allowed is 0,007 %. A restricted ingredient is allowed within the stated conditions.

Is Genistein banned in South Korea?

We found no specific rule for it in Korea's MFDS records. That is not an approval or a safety statement.

Is Genistein allowed in cosmetics in the U.S.?

We found no specific rule for it in the FDA's records. That is not an approval or a safety statement.

What is Genistein used for in cosmetics?

The EU's CosIng inventory lists its functions as: skin conditioning - miscellaneous.

What is Genistein called on Korean labels?

Korea's MFDS standard Korean name is 제니스테인.

What is the CAS number of Genistein?

CAS 446-72-0 (from official records).