Ask KBeauty Verified™

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

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Pentanoic Acid, 4,4-bis[(γ-ω-perfluoro-C8-20-alkyl)thio]derivs., compds. with diethanolamine

Korean: 펜타노익애씨드, 4,4-비스[(γ-ω-퍼플루오로-C8-20-알킬)티오] 유도체, 다이에탄올아민 화합물 · CAS 71608-61-2 ·

KR South Korea (MFDS)

Prohibited MFDS prohibited ingredients

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

Pentanoic Acid, 4,4-bis[(γ-ω-perfluoro-C8-20-alkyl)thio]derivs., compds. with diethanolamine 펜타노익애씨드, 4,4-비스[(γ-ω-퍼플루오로-C8-20-알킬)티오] 유도체, 다이에탄올아민 화합물

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 Pentanoic Acid, 4,4-bis[(γ-ω-perfluoro-C8-20-alkyl)thio]derivs., compds. with diethanolamine 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 Pentanoic Acid, 4,4-bis[(γ-ω-perfluoro-C8-20-alkyl)thio]derivs., compds. with diethanolamine banned in South Korea?

In Korea's MFDS records it is listed as “Prohibited” (MFDS — cosmetic ingredient use restrictions).

Is Pentanoic Acid, 4,4-bis[(γ-ω-perfluoro-C8-20-alkyl)thio]derivs., compds. with diethanolamine 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 Pentanoic Acid, 4,4-bis[(γ-ω-perfluoro-C8-20-alkyl)thio]derivs., compds. with diethanolamine called on Korean labels?

Korea's MFDS standard Korean name is 펜타노익애씨드, 4,4-비스[(γ-ω-퍼플루오로-C8-20-알킬)티오] 유도체, 다이에탄올아민 화합물.

What is the CAS number of Pentanoic Acid, 4,4-bis[(γ-ω-perfluoro-C8-20-alkyl)thio]derivs., compds. with diethanolamine?

CAS 71608-61-2 (from official records).