Ask KBeauty Verified™

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

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Amylcyclopentenone

Korean: 아밀사이클로펜테논 · CAS 25564-22-1 · Functions: perfuming

KR South Korea (MFDS)

Restricted MFDS restricted ingredients

Maximum: 0.1%

Conditions (official MFDS text, Korean):
* 배합한도 : 0.1%

Source: MFDS — cosmetic ingredient use restrictions · checked Oct 17, 2026

EU European Union (CosIng)

Restricted Annex III/153

Maximum: 0.1%

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

AMYLCYCLOPENTENONE 아밀사이클로펜테논

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 Amylcyclopentenone banned in the European Union?

In the EU's CosIng records it is listed as “Restricted” (EU CosIng — Annex III). The maximum allowed is 0.1%. A restricted ingredient is allowed within the stated conditions.

Is Amylcyclopentenone banned in South Korea?

In Korea's MFDS records it is listed as “Restricted” (MFDS — cosmetic ingredient use restrictions). The maximum allowed is 0.1%. A restricted ingredient is allowed within the stated conditions.

Is Amylcyclopentenone 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 Amylcyclopentenone used for in cosmetics?

The EU's CosIng inventory lists its functions as: perfuming.

What is Amylcyclopentenone called on Korean labels?

Korea's MFDS standard Korean name is 아밀사이클로펜테논.

What is the CAS number of Amylcyclopentenone?

CAS 25564-22-1 (from official records).