Ask KBeauty Verified™

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

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Propylidenephthalide

Korean: 프로필리덴프탈라이드 · CAS 17369-59-4 ·

KR South Korea (MFDS)

Restricted MFDS restricted ingredients

Maximum: 0.01%

Conditions (official MFDS text, Korean):
* 배합한도 : 0.01%

Source: MFDS — cosmetic ingredient use restrictions · checked Oct 16, 2026

EU European Union (CosIng)

No specific rule on file.

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

Propylidenephthalide 프로필리덴프탈라이드

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 Propylidenephthalide banned in the European Union?

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

Is Propylidenephthalide banned in South Korea?

In Korea's MFDS records it is listed as “Restricted” (MFDS — cosmetic ingredient use restrictions). The maximum allowed is 0.01%. A restricted ingredient is allowed within the stated conditions.

Is Propylidenephthalide 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 Propylidenephthalide called on Korean labels?

Korea's MFDS standard Korean name is 프로필리덴프탈라이드.

What is the CAS number of Propylidenephthalide?

CAS 17369-59-4 (from official records).