Ask KBeauty Verified™

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

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Methylheptadienone

CAS 1604-28-0 · Functions: perfuming

KR South Korea (MFDS)

No specific rule on file.

EU European Union (CosIng)

Restricted Annex III/178

Maximum: (b) 0.002%

Conditions: Product type: (a) Oral products (b) Other products

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

METHYLHEPTADIENONE

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 Methylheptadienone banned in the European Union?

In the EU's CosIng records it is listed as “Restricted” (EU CosIng — Annex III). The maximum allowed is (b) 0.002%. A restricted ingredient is allowed within the stated conditions.

Is Methylheptadienone 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 Methylheptadienone 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 Methylheptadienone used for in cosmetics?

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

What is the CAS number of Methylheptadienone?

CAS 1604-28-0 (from official records).