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

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trans-2-Hexenal dimethyl acetal, when used as a fragrance ingredient

Korean: 트랜스-2-헥센알다이메틸아세탈 (착향제로 사용될 때) · CAS 18318-83-7 ·

KR South Korea (MFDS)

No specific rule on file.

EU European Union (CosIng)

Prohibited Annex II/439

Source: EU CosIng — Annex II · 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.

Other markets

How trans-2-Hexenal dimethyl acetal, when used as a fragrance ingredient is treated in 2 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
BR Brazil	Prohibited only in certain forms or uses	MFDS summary (Korean): when used as a fragrance ingredient^착향 성분으로 사용될경우에 한함
AR Argentina	Prohibited only in certain forms or uses	MFDS summary (Korean): when used as a fragrance ingredient^착향 성분으로 사용될경우에 한함

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

Also listed as

trans-2-Hexenal dimethyl acetal, when used as a fragrance ingredient 트랜스-2-헥센알다이메틸아세탈 (착향제로 사용될 때)

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 trans-2-Hexenal dimethyl acetal, when used as a fragrance ingredient banned in the European Union?

In the EU's CosIng records it is listed as “Prohibited” (EU CosIng — Annex II).

Is trans-2-Hexenal dimethyl acetal, when used as a fragrance ingredient 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 trans-2-Hexenal dimethyl acetal, when used as a fragrance ingredient 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 trans-2-Hexenal dimethyl acetal, when used as a fragrance ingredient called on Korean labels?

Korea's MFDS standard Korean name is 트랜스-2-헥센알다이메틸아세탈 (착향제로 사용될 때).

What is the CAS number of trans-2-Hexenal dimethyl acetal, when used as a fragrance ingredient?

CAS 18318-83-7 (from official records).